Answer:
-7
Step-by-step explanation:
y=3x-7
x=0 ⇒ y= 3*0-7= -7
The cost with the coupon is $0.76 less.
3.79 - 3.03
I think 14 is B (idrk) and 15 is definitely C
Answer:
(A)74
Explanation:
Let her average score on the last two tests = x.
The six scores will now be: 82,78,87,73, x and x.
Since the average score for her first six chemistry tests = 78

We then solve for x.

Her average score for the last two tests is 74.
20 is the numerical coefficient of m^2.