The table below shows the proportional relationship between the weight of cereal, in ounces, and the number of packs of cereal: 3 | 39 4 | 52 5 | 65 what is the constant of proportionality? a. 13 b. 39 c. 42 d. 78

The answer is a

Step-by-step explanation:

Its a because 13 times 3 is 39

13 times 4 is 52

and 13 times 5 is 65

A

Step-by-step explanation:

The answer is a because i you do 5 times 13 = 65.

10a^3+277a^2-132a-792

step-by-step explanation:

(2a+11)(5a-12)(foil)

=10a^2-24a+55a-132 =10a^2+31a-132

(10a^2+31a-132)(a+6)

=10a^3+60a^2+31a^2+186a^2-132a-792 =10a^3+277a^2-132a-792

i hope this is what you are looking for : )