Multiply.(2x - 5y)2
A. 4x2 + 25y2
B. 2x2 - 20xy + 25y2
C. 2x2 + 25y2
D. 4x2 - 20xy + 25y2
Answer: D
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Solve.The cruising speed of a prototype jet is approximately Mach 0.92, meaning 0.92 times the speed of sound. If the speed of sound at cruising altitude is approximately 295 m/s, what is the cruising speed of the prototype jet in miles per hour?
A. 607 mph B. 548 mph C. 660 mph D. 580 mph
Solve the problem.The function f(x) = 1 + 1.5 ln(x + 1) models the average number of free-throws a basketball player can make consecutively during practice as a function of time, where x is the number of consecutive days the basketball player has practiced for two hours. After 27 days of practice, what is the average number of consecutive free throws the basketball player makes?
A. 9 consecutive free throws B. 7 consecutive free throws C. 10 consecutive free throws D. 6 consecutive free throws
Graph the solution set of the system of inequalities or indicate that the system has no solution.
A. 
B. 
C. 
D. No solution
Solve the formula for the specified variable.v = 
, for E
A. E = 
B. E = 
C. E = 
D. E = 