Answer:
A. A number divided by three minus fifteen.
To get a number to decrease by 21% you multiply it by 0.79 (1-0.21)
r = 0.79
Answer:
10.375
Step-by-step explanation:
1.) Add up all the amount of pizzas | 12 + 9 + 11 +10+13+8+ 7,+ 13=83
2) Divide the total amount of pizzas by the amount of pizzas/amount of numbers of pizzas. | 83 divided by 8 =
10.375
Answer:
-8x^3+4xy
Step-by-step explanation:
-4x·2x^2
Multiply the like terms
-8x^3
Two negatives equal a positive so
-4x(-y)
=+4xy
Therefor the answer is:
-8x^3+4xy