Answer:
(a)62.625 (b) 8.35
Step-by-step explanation:
33.4/4 = 8.35
8.35*7.5 = 62.625
Answer:

Step-by-step explanation:
Given:
Fixed salary earned by Jeanette per week = 
Additional amount earned by her for each sign she sells = 
To find: linear equation which represents her weekly pay based on the number of signs she sells.
Solution:
Let number of signs sold by Jeanette be x
So, her weekly pay = fixed pay + Additional amount earned by her for each sign she sells

For this case we must factor the following quadratic expression:

To factor, we must find two numbers that when multiplied give as result +9 and when added or subtracted give as result -6.
These numbers are:
-3 and -3

So, we have:

ANswer:
Option D