Pls help this is my last attempt to get it right before I fail. Answer Choices:
A)The scale factor is 0.9
B)The scale factor is 2.1
C)The scale factor is 2.5y
D)The scale factor is 0.4

walter needs to make at least 5 more cookies but no more than 40. 5 ≤ x ≤ 40

step-by-step explanation:

20 ≤ x + 15 ≤ 55

subtract 15 from all parts

20-15 ≤ x + 15-15 ≤ 55-15

5 ≤ x ≤ 40

this means how many more cookies he has to make

walter needs to make at least 5 more cookies, but no more than 40 cookies; 5 ≤ x ≤ 40

the volume is the product of the area of the base, 3x(3x+4), and the height, 3x-1

step-by-step explanation:

umm you say your want to . but you do know that this is the mathematics.  

o~o