Evaluate.19 - (-19)
A. 38
B. -38
C. 0
D. 19
Answer: A
Mathematics
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Factor completely. If the polynomial cannot be factored, write "prime."14x2 + 63x - 35
A. 7(2x + 1)(x - 5) B. 7(2x - 1)(x + 5) C. (14x - 7)(x + 5) D. (2x - 1)(7x + 35)
Mathematics
Choose the best answer.The mass of a bicycle helmet is about how much?
A. 271 milligrams B. 271 metric tonnes C. 271 kilograms D. 271 grams
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Let A = {1, 3, 5, 7}B = {5, 6, 7, 8}C = {5, 8}D = {2, 5, 8}U = {1, 2, 3, 4, 5, 6, 7, 8}.Determine whether the statement is true or false.C ? D
A. False; the elements are the same in C and D. B. False; D is a subset of C. C. True D. False; C is not a subset of D.
Mathematics
Provide an appropriate response. Solve for the variable: 2.5x + 2.4 = -6.7
A. -1.72 B. -3.64 C. 6.6 D. 1.72
Mathematics