1. j + 15 is a(n) _____ expression, because __________.

Question

A. numerical expression; it consists of only numbers.
B. numerical expression; it consists of operation sysmbols
C. algebra expression; it consists of numbers and a variable
D. algebra expression; it has more than one operation symbol

2. Chris earns $10.00 each time he washes his neighbor's car. What is the variable in this situation?
A. no variable
B. the number of times the neighbor drives the car
C. the amount of money Chris earns per wash
D. the number of times. Chris washes the car

Use the following values to evaluate the expression.
w = 5, x = 9, y =2
3. x + 20 - 1
A. 28
B. 19
C. 30
D. 32

(I don't feel like writing the rest of the questions but please help. I rlly need help on this. TwT)

Answer 1

#3. x+20-1 = 9+20-1 = ___

now, how about you do some of the work?

Answer 2

Sorry if It's too late to answer but
A1: algebraic expression; it consists of numbers variable
A2: the number of times Chris washes the car
A3: 28
A4: 85
A5: 23.9