The post office recorded the weights of packages sent on a particular day and used the results to construct a histogram. Use the histogram to solve the problem. 
0-910-1920-2930-39Weight of Package (pounds)The least number of packages are in which group?
A. 30-39 pounds
B. 20-29 pounds
C. 0-9 pounds
D. 10-19 pounds
Answer: B
Mathematics
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Mathematics
Factor out the GCF from the polynomial.w(z - 9) - 2(z - 9)
A. 2w(z - 9) B. (z - 9)(w - 2) C. (wz - 9w) - (2z - 18) D. (z - 9)(w + 2)
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Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.15x2 - 65x - 50
A. 5(3x - 2)(x + 5) B. (15x + 10)(x - 5) C. 5(3x + 2)(x - 5) D. prime
Mathematics
Factor.x2 - x - 42
A. (x + 6)(x - 7) B. (x + 1)(x - 42) C. (x + 7)(x - 6) D. Not factorable
Mathematics