Use the rules for exponents to rewrite the expression and then evaluate the new expression. (72)-1
A. 
B. - 
C. -14
D. -49
Answer: A
Mathematics
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Plot the following points and find the distance between the points. ? (-5, 8), (7, 2) ?
A. ?
Distance:
B. ?
Distance: 
C.
Distance: 
D. ?
Distance: 
E. ?
Distance: 
Mathematics
Use implicit differentiation to find dy/dx and d2y/dx2.xy + 3 = y, at the point (4, -1)
A. 
= 
; 
= 
B. 
= - 
; 
= 0
C. 
= 3; 
= - 24
D. 
= 
; 
= - 
Mathematics
Solve the problem.Jay drove 390 kilometers at the average rate of 78 kilometers per hour. How long did the trip take?
A. 4 hr
B. 
hr
C. 5 hr
D. 6 hr
Mathematics
Solve the problem.Find the length of a rectangular lot with a perimeter of 118 meters if the length is 7 meters more than the width. (P = 2L + 2W)
A. 59 m B. 33 m C. 66 m D. 26 m
Mathematics