Answer:
Part A
Martha is incorrect because she will pay 1/4 of the cost.
40%+0.35
0.40+0.35
0.75
0.25=25/100=1/4
Part B
Renee-$340
Susan-$297.50
Martha-$212.50
Answer:
29°
Step-by-step explanation:
SMH sorry it wasnt 



There are two cases:
1.

2.

So the minimum temperature is -6, and the maximum is 18.
The discount given on the cost of the meal is $15
<h3>How to calculate tax on a given price</h3>
According to the question, we are given the following information
The original cost of the meal = $75
Off coupon = 20%
Required
The number of coupons given
coupon amount = 0.2 * 75
coupon amount = $15
Hence the discount given on the cost of the meal is $15
Learn more on discounts here: brainly.com/question/24304697
Answer:
10 + 4 i
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