Decide whether A and B are inverses by calculating AB and BA.A = 
B = 
A. Yes
B. No
Answer: A
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Write a system of linear equations that models the situation. Do not solve.A truck is driven for 4 hours, part of the time at 20 miles per hour and the rest of the time at 60 miles per hour. The total distance traveled was 
miles. How long did the truck travel at each speed?
A. x + y = 4 20x + 60y = 200 B. x + y = 200 20x + 60y = 4 C. x - y = 4 20x - 60y = 200 D. x + y = 40 60x + 20y = 200
Provide an appropriate response.Solve the following inequality: 3 - 2(x - 5) < 5(2x - 3) + 4
Fill in the blank(s) with the appropriate word(s).
Find the present value. Round to the nearest cent.To get $10,500 after 8 years at 5% compounded annually
A. $6768.39 B. $3393.19 C. $7462.15 D. $7106.81
Find all solutions of the following equation algebraically.
a. x = 22
b. 
c. 
d. x = 122
e. 