Solve.71 = 1 - 7x
A. x = 11
B. x = 81
C. x = 77
D. x = -10
Answer: D
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Find the surface area of the geometric solid. If needed, use 3.14 as an approximation for ? and round the answer to the nearest tenth.Cone: r = 5 yd, h = 7 yd
A. 153.9 yd2 B. 109.9 yd2 C. 213.6 yd2 D. 78.5 yd2
Solve the problem.What is the rate on an investment that triples $9465 in 35 years? Assume interest is compounded monthly.
A. 2.6% B. 3.1% C. 2.1% D. 3.9%
Determine whether the system is consistent or inconsistent and whether the equations are dependent or independent.3x + 6y = 9912x + 24y = 396
A. Inconsistent; independent B. Inconsistent; dependent C. Consistent; independent D. Consistent; dependent
Translate the word phrase into an algebraic expression. Explain what the variable represents.9 times an individual's weekly income
A. 9W, where W represents weekly income
B. 9 + W, where W represents weekly income
C. 9 - W, where W represents weekly income
D. 
, where W represents weekly income