Given h(x) - 2x + 9, find the value of x when h(x) - 21.
A) 51
B) 12
C) 6
D) 30

C, 6!

Step-by-step explanation:

so h(x) is 21

21=2x+9

12=2x

x is 6

the dimensions are:

step-by-step explanation:

we want to find the dimensions of a rectangular box with volume of

we factor to obtain;

we rewrite the rightmost factor to obtain;

recall that:

we apply difference of two squares formula to obtain;

hence the dimensions are

1010: 3030

is it i think