Solve the system of equations.
A. (-5, -4, -1)
B. (-1, -4, -5)
C. (-5, -1, -4)
D. No solution
Answer: A
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Create the required linear function an use it to answer the question.In 1995 the United States recovered 20% of its municipal solid wastes through recycling, up from 17% in 1990. Let P represent the percentage recycled and t the number of years since 1990. Based on these two data points, create a linear equation for the function that describes how P varies as a function of time.
A. P = 0.6t + 17 B. P = -0.6t + 7 C. P = 0.6t + 24 D. P = 0.3t - 17
Find the sum of the first n terms of the following arithmetic sequence.91, 174, 257, . . .; n = 10
A. -2825 B. 4645 C. 4190 D. -4190
Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.5-2
A. -25
B. 25
C. 
D. 
Use the graph of y = f(x) to find the limit.
f(x) 
A. 
B. 5
C. 4
D. -1