Solve the problem.Use linear regression to find a line representing weight, in pounds, as a function of height, in inches, of men. Then, predict the height of a man who is 145 pounds to the nearest tenth of an inch. The following data are the (height, weight) pairs for 8 men: (66, 150), (68, 160), (69, 166), (70, 175), (71, 181), (72, 191), 
(74, 206).
A. 65.7 in.
B. 68.2 in.
C. 63.2 in.
D. 64.6 in.
Answer: A
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Determine if the sequence is decreasing or nondecreasing and if it is bounded or unbounded from above.an = 
A. Decreasing; unbounded B. Decreasing; bounded C. Nondecreasing; unbounded D. Nondecreasing; bounded
The trough in the illustration has a cross-sectional area of 46 square inches. Find the depth, h ,of the trough.
(Area of a trapezoid = 
)
?
?
?
A. 8 inches
B. 6 inches
C. 4 inches
D. 7 inches
E. 12 inches
The ratio of seven to ten may be written as
(a) 7:10 (b) 10/7. (c) 17/10. (d) 10:7. (e) None of these is correct.
Determine, without graphing, whether the given quadratic function has a maximum value or a minimum value and then find that value.f(x) = -7x2 - 2x - 6
A. maximum; 
B. minimum; 
C. minimum; - 
D. maximum; - 