Answer:
a= -6
Step-by-step explanation:
The point-slope form:

We have the points (-5, 15) and (20, 25). substitute:

Answer:
point-slope form: 
slope-intercept form: 
standard form: 
Answer:
a = 8/3
Step-by-step explanation:
3a - 1 would equal 7
3a = 7 + 1
3a = 8
a = 8/3
Answer:
<em><u>√</u></em><em><u>-32 imaginary numbers</u></em>

<h3>4√2i is the right answer.</h3>
Answer: D. It depends on the cost of the shirt as to which coupon will help John pay the lowest price.
Step-by-step explanation:
You do not know how much a 20% discount is unless you know the price of the shirt. This can be more or less than $20, so you don’t know.
Hope this helps!