Suppose that of 80 workers randomly selected and interviewed, 53 were opposed to an increase in Social Security taxes. Would you accept or reject the hypothesis that the majority of workers are opposed to the increase in taxes?
?
A. reject
B. accept
Answer: A
Mathematics
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Solve the problem.A = ?r2, where r is the radius, in centimeters. By approximately how much does the area of a circle decrease when the radius is decreased from 5.0 cm to 4.8 cm? (Use 3.14 for ?.)
A. 6.5 cm2 B. 3.1 cm2 C. 6.1 cm2 D. 6.3 cm2
Mathematics
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = -x2
A. 
B. 
C. 
D. 
Mathematics
Evaluate the expression.4 ? 7 - 82
A. 36 B. 420 C. -36 D. 224
Mathematics
Find the surface area of a rectangular box with length L, width W, and height H.L = 13.4 m, W = 14.5 m, H = 21.6 m
A. 1404 m2 B. 1281 m2 C. 797 m2 D. 1594 m2
Mathematics