Multiply.(x + 7)(-2x + 7)
A. -2x2 - 7x - 7
B. -2x2 + 49x - 7
C. -2x2 - 9x + 49
D. -2x2 - 7x + 49
Answer: D
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Find the probability.The chart below gives the number of vehicle tags sold in each city. 
One car is selected at random from the cars with vehicle tags from these cities. What is the probability that this car is from Salem? Round to the nearest ten-thousandth.
A. 0.1593 B. 0.1374 C. 0.1553 D. 0.2119
Complete the sentence so the result is an identity. Let x be any real number.1 + = csc2x
A. sin2x B. sec2x C. cot2x D. cos2x
Solve.m2/5 + 2m1/5 - 15 = 0
A. 59,049, 9,765,625 B. -243, 3125 C. 243, -3125 D. 243
Find the x- and y-intercepts of f.f(x) = (x - 2)(x - 6)
A. x-intercepts: -2, -6; y-intercept: 12 B. x-intercepts: 2, 6; y-intercept: -8 C. x-intercepts: -2, -6; y-intercept: -8 D. x-intercepts: 2, 6; y-intercept: 12