Solve the problem.The number of years t it takes for an investment to double if it earns r percent (as a decimal), compounded annually, is t = 
. How long will it take for prices in the economy to double at a 13% annual inflation rate? Round to the nearest year.
A. 6 yr
B. 23 yr
C. 9 yr
D. 5 yr
Answer: A
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Solve the problem. Round your answer to the nearest tenth unless otherwise indicated.Students at East Central High School earned $286 selling subscriptions. They want to make $3120 for a club trip. What percent of their goal has been reached?
A. 10.9% B. 0.9% C. 9.2% D. 109%
Solve the problem.The city council gave a questionnaire to its citizens, asking them to rank their priorities for next year's budget. People were asked to rank the following four choices: (P)olice, (R)oads, (S)chools, and (T)rash removal. The results are summarized in the table below.
Which choice wins using the method of pairwise comparisons?
A. R B. T C. P D. S
Solve the problem.Elijah Allman is a Spanish teacher in a rural school district. Elijah's job requires him to travel to three different high schools during the day: Northwest High; Smith High; and Southwest High. The distances among these schools and Elijah's home are summarized below:
a) Represent this traveling salesman problem with a complete graph showing the distances on the appropriate edges.b) Use the Brute Force algorithm to find the shortest route for Elijah to travel to each school and return home.c) What is the minimum distance he can travel?
What will be an ideal response?
State whether the given function is linear and constant, linear but not constant, or nonlinear.f(x) = -4x4 - 2x3 - 8x2 + 0.12x - 10
A. nonlinear B. none of these C. linear, but not constant D. linear, constant