Find the sum without the use of a number line.2 + (-19) + 2 + (-19) + 16 + (-16)
A. 0
B. -38
C. -74
D. -34
Answer: D
Mathematics
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Solve the problem.A box contains 28 widgets, 4 of which are defective. If 4 are sold at random, find the probability that (a) all are defective (b) none are defective.
A. 
; 
B. 
; 
C. 
; 
D. 
; 
Mathematics
Solve the equation for the indicated variable.A = 
bh
for b
A. b = 
B. b = 
C. b = 
D. b = 
Mathematics
Find a polynomial of degree 3 that has zeros 1, 2, and -5 and in which the coefficient of x² is 3.
What will be an ideal response?
Mathematics
Find the mean for the group of data items. Round to the nearest hundredth, if necessary.22, 22, 58, 76, 69, 22
A. 49.4 B. 44.83 C. 41.17 D. 53.8
Mathematics