Answer:
-8-15
Step-by-step explanation:
he already owed his friend $8 so he had -8, he was in debt. then he borrowed more money putting him deeper in debt -15
As the weight increases, the price increases.
Answer:
d) 
Step-by-step explanation:
we simplify
by doing 7 x 2 = 14
so it is now

to check, we can use a calculator.
7 to the power of 14 = 678223072849
and
7 to the power of 7, squared also = 678223072849
Hope this helps!
Answer:
12
Step by Step Explanation:
f(n+1) = 2f(n) + 10
a = 2, k = 10
a + k = 2 + 10 = 12
Downloaded Photomath it’s going to help you a lot