Divide using synthetic division.
A. 4r2 + 4r + 8
B. r2 + 8r + 4
C. 4r2 - 4r - 8
D. 4r2 + 4r + 
Answer: A
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Solve.At a fixed temperature, the resistance R of a wire varies directly as the length l and inversely as the square of its diameter d. If the resistance is 0.63 ohm when the diameter is 1 mm and the length is 210 cm, what is the resistance when the diameter is 3 mm and the length is 1370 cm?
A. 0.457 ohm B. 1.37 ohm C. 152.222 ohm D. 95.9 ohm
Solve the triangle.a = 80, b = 8, C = 125°
A. c = 90.64, A = 48.6°, B = 6.4° B. c = 84.84, A = 50.6°, B = 4.4° C. c = 87.74, A = 52.6°, B = 2.4° D. no triangle
Solve the problem.The parking lot at a grocery store has 72 cars in it. 50% of the cars are two-toned. How many cars are two-toned?
A. 36 cars B. 14 cars C. 144 cars D. 360 cars
Multiply and simplify.12 ? 
A. 
B. 144
C. 1
D. 