Two triangles below are similar. Find missing length(s).
A. x = 1.60; y = 3.6
B. x = 4.9; y = 3.6
C. x = 5.6; y = 3.9
D. x = 4.9; y = 3.9
Answer: B
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Factor the polynomial.512s3 + 1
A. (8s + 1)(64s2 - 8s + 1) B. (8s + 1)(64s2 + 1) C. (8s - 1)(64s2 + 8s + 1) D. (512s + 1)(s2 - 8s + 1)
Solve the problem.The Human Resources department of a medium-sized corporation reported that the average age of its employees is 
years and the average number of hours each employee worked each week is 
hours. Round each of these numbers to the nearest ten.
A. 60 years; 60 hours B. 50 years; 60 hours C. 60 years; 50 hours D. 50 years; 50 hours
Solve the application problem. Round to the nearest cent.
Green Thumb Landscaping wants to build a $135,000 greenhouse in 2 years. The company sets up a sinking fund with payments made quarterly. Find the payment into this fund if the money earns 8% compounded quarterly.
A. $66,831.75 B. $18,158.85 C. $12,691.35 D. $15,728.85
Solve the equation by factoring.(x + 5)(x + 1) = 21
A. {-2, 8} B. {-5, -1} C. {-8, 2} D. {1, 5}