Find a single expression that represents the surface area of the rectangular prism. A)
9x² + 4
B)
12x2 + 20
C)
14x2 + 12
D)
18x2 + 8

Select all the correct statements. the amount in dollars an electrician charges in terms of the number of hours worked is represented by the function y = 22x + 42. from the function, identify all the phrases that hold true for the situation. the electrician charges an initial fee of $22 the y-variable represents the number of hours the electrician charges an initial fee of $42 the electrician charges $22 for every hour worked the x-variable represents the electricians charges in dollars the electrician charges $42 for every hour worked

If x = 12 and y = 3, what is the value of x - y 2? 81 6 3 18

What are “like terms”? why can we only add like terms?