Question

simplify the polynomial
(7 - 4x^3 + 3x^2) + (5x^2 - 10 + 2x^3)
Answer
what is the surface area of the rectangular prism?
base = 8, width = 5, height = 5

185
170
220
210
Answer
simplify 4(xy)^4
Answer
AC is a diameter of circle O, and m<AOB = 56. what is mBC?
Answer
simplify (-3a)(-2b)
Answer
a piece of machinery depreciates $7000 the first year, $6800 the second year, and $6600 the third year. if the rate of depreciation is constant, what is the amount of depreciation of the piece of machinery in the sixth year?
Answer
a piece of machinery depreciates $7000 the first year, $6800 the second year, and $6600 the third year. if the rate of depreciation is constant, what is the amount of depreciation of the piece of machinery in the sixth year?

$41,000
$6000
$62,000
$5800
Answer
what is the component form of the vector? (4,4) (1,2)

(3,2)
(4,6)
(3,4)
(5,6)
Answer
<BEC = 22. what is <AEB

22
32
42
158
Answer
which similarity postulate of theorem, if any, can be used to prove the two triangles similar?

first triangle (b = 26, other sides 16 and 20)
second triangle (base= 13, and the other sides 10 and 8)

SSS Similarity theorem
AA similarity postulate
SAS theorem
the triangles are not similar
Answer
What is the length of BD if CB = 7x + 12, BD = 6x + 14, and CD = 65?

7
3
32
33
Answer
Solve |x| + 5 > 8
Answer
(6x - 3)
Answer
On Tuesday alex earned $45.50 this is $17.25 less than he earned monday. which equation can be used to find m, the amount alex earned monday?

45.50 - m = 17.25
17.25 - m = 45.50
m + 45.50 = 17.25
m - 17.25 = 45.50
Answer
Solve -5(8x + 5) + 3x = 2
Answer
alex and her brother are painting a sandbox shaped like a rectangular prism. they want to paint only the outsides of the four rectangular sides. how many square feet will be painted?

base = 6, width = 5, height = 1

24ft
22ft
20ft
41ft
Answer
a rubber ball makes a sequence of bounces. on its first bounce, the ball reached a height of 10 feet. each bounce is 4/5 as high as the preceding bounce. to the nearest tenth of a foot, what is the height of the eighth bounce?

8.0ft
9.8ft
2.1ft
6.4ft
Answer
which ordered pair is a solution of this equation? 9-x/7 = y

(2,1)
(-2,0)
(9,81)
(7,-7)
Answer
solve (a - 3)(a - 4) = 0
Answer
find the measure of one of the interior angles of a regular polygon with 8 sides.

sun of the measures of any interior angles of any n-gon = (n-2)180
measure of an interior angle = (n-2)180/n
measure of an exterior angle = 360/n
a = 1/2ap

1080 degrees
157.5 degrees
135 degrees
202.5 degrees
Answer
nathan is making chocolates. he starts by melting a chocolate shaped like a rectangular prism. then he pours the melted chocolate into molds shaped like rectangular prisms. how many chocolates can nathan make with a block of chocolate?

chocolate mold measurements: base = 3, width = 1, height = 2
block of chocolate measurements: base = 20, width = 3cm height = 22cm

answers
440
220
22
110
Answer
an office spends $350 per month on office supplies. the manager wants the company to decease office supply costs by 16%. how much money would that save each month?

$334
$54
$294
$56
Answer
determine the number of solutions for the system of linear equations

y = -10x + 5
300 = -15x + 60y
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