Lets say cookies = x and days = y.
2x times y = 15.
8x times y = 45.
Answer:the mean is 90
Step-by-step
you find the sum of the values then divide them by the amount of numbers in the set
Answer:
see explanation
Step-by-step explanation:
← evaluate
using calculator
=
= 
= 1.762.....
≈ 1.8 ( to 1 dec. place )
Multiply through the parentheses:
-24 + 18i + 8i + 6
18 + 26i
18 + 26i is the answer