Asked by mason Mascolino\mason

Is –7 + 9 = –9 + 7 true, false, or open?
(1 point)
Responses

true
true

false
false

open
Answered by mason Mascolino\mason
Is 4x – 3 = 19 true, false, or open?
(1 point)
Responses

true
true

false
false

open
Answered by mason Mascolino\mason
Which of the following is a solution to the equation 16 = 4x – 4?
(1 point)
Responses

–5
–5

–4
–4

5
5

16
Answered by mason Mascolino\mason
An art student wants to make a model of the classroom. The length of the classroom is 2.4 times its width. The length of the student’s model is 42 in. What should the width of the model be?
(1 point)
Responses

17.5 in
17.5 in

20.5 in
20.5 in

83.6 in
83.6 in

100.8 in
100.8 in
Answered by mason Mascolino\mason
Use mental math to determine the solution to start fraction x over 3 end fraction = 24.
(1 point)
Responses

x = 6
x = 6

x = 8
x = 8

x = 27
x = 27

x = 72
x = 72
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