Find the first term and the common ratio of the geometric sequence.an = -40(0.4)-n
A. a1 = 16, r = 16
B. a1 = -100, r = 0.4
C. a1 = 100, r = 2.5
D. a1 = -16, r = -2.5
Answer: C
Mathematics
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As you drive up a hill, your elevation E, in feet, increases with each mile m that you drive. The relationship is
.
Express the miles you drive as a function of elevation.
?
A. 
B. ?
C. ?
D. ?
Mathematics
Solve the problem. Find the magnitude of the torque in foot-pounds at point P for the following lever:
= 10 in. and 
= 30 lb
A. 
ft-lb
B. 
ft-lb
C. 
ft-lb
D. - 
ft-lb
Mathematics
Factor completely. If a polynomial cannot be factored, say it is prime.xy + 10x - 2y - 20
A. (x + 10)(y - 2) B. (x - 10)(y + 2) C. (y - 10)(x + 2) D. (y + 10)(x - 2)
Mathematics
Use the order of operations to simplify the expression.
2
A. 
B. 
C. 
D. 
Mathematics