Answer:
13
Step-by-step explanation:
Given
f(x) = 13x - 9 , then

= 
= 
= 
= 13
Answer:
99
Step-by-step explanation:
First you find the area of the big rectangle:
15x9=135
Then, you need to find the area for the smaller square:
6x6= 36 (because in a sqaure all sides are the same)
Finally, you have to subtract 135 from 36
135-36=99
So, your answer is 99
It is 2.56 its really ovbious
Answer:
983.733
Step-by-step explanation:
8.5 * 9 1/3 = 79 1/3
79 1/3 * 12 2/5 = 983.733