Four expressions are shown:

10x + 6
12x + 4
2(5x + 3)
2(6x + 2)

which two expressions are equivalent to 2(5x + 2 + x)?

a and c
b and d
a and d
b and c

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

What is the range for 31,39,29,34,37,24,36,33,34,28

Type the correct answer in each box. use numerals instead of words. if necessary, use / fir the fraction bar(s). the graph represents the piecewise function: h