Evaluate the expression.815/4

A. 243
B. 2187
C. 19,683
D. 6561


Answer: A

Mathematics

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Evaluate the algebraic expression for the indicated variable.5x2 + 2y2  for x = 3, y = -2

A. 37 B. 23 C. 41 D. 53

Mathematics

Solve the problem.The charges for renting a moving van are $65 for the first 40 miles and $5 for each additional mile. Assume that a fraction of a mile is rounded up. (i) Determine the cost of driving the van 84 miles. (ii) Find a symbolic representation for a function f that computes the cost of driving the van x miles, where  (Hint: express f as a piecewise-constant function.)

A. $285; f(x) = 

B. $5680; f(x) = 

C. $685; f(x) = 

D. $685; f(x) = 

Mathematics

Write and solve an equation to answer the question. Round your answer to the nearest whole number, if necessary.566 animals is 11.3% of what number of animals?

A. 1 B. 50,090 C. 5009 D. 500,900

Mathematics

Solve the problem.Which of the following polynomial functions might have the graph shown in the illustration below? 

A. f(x) = x(x - 2)2(x - 1) B. f(x) = x2(x - 2)(x - 1) C. f(x) = x(x - 2)(x - 1)2 D. f(x) = x2(x - 2)2(x - 1)2

Mathematics