For plan A it will only take five minutes to amount to $20.50
Plan B will need 30 min to cost the same as plan A $20.50
Answer:
The top is (-2 , 2) and the bottom is (4 , -2)
Answer: 63 degrees.
Step-by-step explanation:
7x + 4 +5x+3+2x+5=180 degrees
14x+12=180 -12 Degrees
14x / 14 = . 168 /14
x=12
5(12) +3
63
Answer: a) 138.32 and b) 35 years approx.
Step-by-step explanation:
Since we have given that

So, Profit is given by

Difference in years of 1990 and 2020=30
So, Profit becomes :

(b) How long before the profit found in part (a) is predicted to double? (Round your answer to the nearest whole number.) years after 1990.
So, profit doubles , we get :

Hence, a) 138.32 and b) 35 years approx.