Multiply. Express the product in lowest terms.
? 
A. 
B. 
C. 1
D. 
Answer: C
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Find each product.(5r - 3)(5r + 3)
A. 25r2 - 9 B. 25 + 30r - 9r2 C. 25r2 - 30r - 9r2 D. 5r2 - 9
Find the zeros of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept. x4 + 5x3 - 66x2 = 0
A. x = 0, touches the x-axis and turns around; x = 11, crosses the x-axis; x = -6, crosses the x-axis B. x = 0, crosses the x-axis; x = -11, crosses the x-axis; x = 6, crosses the x-axis C. x = 0, touches the x-axis and turns around; x = -11, crosses the x-axis; x = 6, crosses the x-axis D. x = 0, touches the x-axis and turns around; x = 11, touches the x-axis and turns around; x = -6, touches the x-axis and turns around
Solve.In a track meet, Ashley runs 400 meters in 53.4 seconds. What was her average speed in meters per second? (Round to the nearest tenth.)
A. 1.3 m/s B. 74.9 m/s C. 0.1 m/s D. 7.5 m/s
Solve the equation.(ex)x ? e14 = e9x
A. {2} B. {-7, -2} C. {7} D. {7, 2}