The formula of a slope:

We have the points (-6, -1) and (-6, 4).
Substitute:

Dividing by 0 is not possible, therefore the slope is undefined.
<em>It's a vertical line x = -6</em>.
Answer:
Step-by-step explanation:
The book shelf arrived at the wholesale price = $ 147
Mark up on the furniture = 60 %
So The Cost Price = $147
Markup = 60% = 0.60
So using the formula
Sale Price = Cost Price + Cost Price * Markup percentage
So
Sale Price = 147 + 147*(0.60)
Sale Price = $ 235.20
Answer:
39
Step-by-step explanation:
0.40 x 65 = 26
65 - 26 = 39
The school sold 39 early-admission tickets.