It’ll be the one on the far right last one ;)
(mx + 7)(5x + n) = 5mx^2 + mnx + 35x + 7n
= 5mx^2 + (35 + mn)x + 7n
= px^2 + 15x + 14
7n = 14
n = 2
35+mn = 15
35+ m(2) = 15
35+ 2m = 15
2m = 15-35
2m = -20
m = -10
p = 5m
= 5(-10)
=-50
m(n + p) = -10(2 -50)
= 480
Answer:
1) sarah has $100 in her bank account after 5 weeks ans Emily has $95, so Sarah has more.
2)After 6 weeks they will both have $110
Step-by-step explanation:
Answer is in the picture in this post.