Perform the operation and simplify, or solve the equation for the variable.
? 
A. 
B. 
C. 
D. 
Answer: B
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Assume that the expressions given are denominators of fractions. Find the least common denominator. 6y + 42, y2 - 49, y
A. y(y + 7)(y - 7) B. 42y(y2 + 7)(y2 - 7) C. 6y(y + 7)(y - 7) D. 42y(y + 7)2(y - 7)
Factor P(x) into linear factors given that k is a zero of P.P(x) = 5x3 - 28x2 + 28x + 16; k = - 
A. P(x) = (x - 4)(x - 2)(5x - 2) B. P(x) = (x + 4)(x + 2)(5x - 2) C. P(x) = (x - 4)(x - 2)(5x + 2) D. P(x) = (x + 4)(x + 2)(5x + 2)
Find an equation for the line with the given properties.Slope undefined; containing the point (6, -6)
A. y = 6 B. x = -6 C. x = 6 D. y = -6
Solve.The speed of a vehicle is inversely proportional to the time it takes to travel a fixed distance. If a vehicle travels a fixed distance at 40 miles per hour in 60 minutes, how fast must it travel to cover the same distance in 30 minutes?
A. 80 miles per hour
B. 
miles per hour
C. 45 miles per hour
D. 20 miles per hour