Solve the equation.2(x - 3) - 20 = 4x - 2(x + 1)
A. -18
B. -22
C. all real numbers
D. no solution
Answer: D
Mathematics
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A worker cuts a 57 feet beam into two pieces. He wants one piece to be 3 feet shorter than three times the length of the other piece. Find the length of shorter piece.
A. 12 B. 15 C. 42 D. 18
Mathematics
Evaluate the sum.
A. 2548 B. 819 C. 2197 D. 8281
Mathematics
Write the statement as an inequality.y is greater than -15
A. y ? -15 B. y ? -15 C. y > -15 D. y < -15
Mathematics
Find all rational zeros and factor f(x).f(x) = x3 + 2x2 - 45x - 126
A. -3, -6, 7; f(x) = (x + 3)(x + 6)(x - 7) B. 3, 6, -7; f(x) = (x - 3)(x - 6)(x + 7) C. 4, 6, -14; f(x) = (x - 4)(x - 6)(x + 14) D. -4, -6, 14; f(x) = (x + 4)(x + 6)(x - 14)
Mathematics