Choose a strategy and solve.You are planning a driving vacation, and you want to estimate the cost of the gas. While on vacation, you are planning to drive 1500 miles. Your car gets about 15 miles per gallon, and you estimate that the cost of gas is $1.74 per gallon. If your take home pay for your part time job 
about how many hours will you need to work to pay for the gas? Round to the nearest hour.
A. 13 hours
B. 174 hours
C. 14 hours
D. 15 hours
Answer: C
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Simplify the power of i.i-47
A. 1 B. -i C. i D. -1
Sketch the graph of the function. Label at least three points.f(x) = 
A. 
B. 
C. 
D. 
Use the formula B = P + Prt, which is used to calculate the balance in an account if simple interest is added to a principal P at an interest rate of r for t years.Suppose that an account earns 6.3% interest and after five years the balance is $5418.00. Find the principle that was invested.
A. $3708.14 B. $7909.49 C. $4120.15 D. $4944.18
Solve the problem.In September 1998 the population of the country of West Goma in millions was modeled by 
At the same time the population of East Goma in millions was modeled by 
In both formulas x is the year, where 
corresponds to September 1998. Assuming these trends continue, estimate what the population will be when the populations are equal. Round to the nearest million.
A. 18 million B. 17 million C. 1 million D. 19 million