Jorge is factoring a quadratic expression. First, he factors out the greatest common factor, and then he uses grouping. Which expression could be Jorge’s expression? A. 7x2 − 28
B. 24x2 + 2x
C. 6x2 − 9x − 27
D. 4x2 + 18x + 8

7

step-by-step explanation:

2/3

step-by-step explanation:

the answer is:

the correct option is the option b.

to calculate the surface area of the right cylinder, we need to use the following formula:

from the picture we know that:

so, substituting and calculting we have:

hence, we have that the correct option is the option b.

have a nice day!