(8c)^2+7c
(8c)^2=64c^2
so that..
64c^2+7c
factor out c
c(64c+7)
19÷4=4.75
To make it into a percentage, multiply it by 100
4.75×100%=475%
Answer:
Heidi (260 cookies)
Step-by-step explanation:
Megan's equation is given as y=8x, where x is the number of bags, and y the number of cookies:
#First calculate Heidi's total number of bags, cookies and cookies:

#Given that both Heidi and Megan make the same number of bags of cookies, Megan's cookies totals to:

Hence, Megan makes 416 cookies.
#From our calculations:

Hence, Heidi makes the least number of cookies(260 cookies) compared to Megan's 416 cookies.


the dotted line. shadow under the line

solid line. shadow above the line
Answer in the attachment (graph C).