Factor.x2 - 3x - 54
A. (x - 6)(x + 1)
B. Prime
C. (x - 6)(x + 9)
D. (x + 6)(x - 9)
Answer: D
Mathematics
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Solve the problem.Find the work done by a force of 20i (newtons) in moving an object along a line from the origin to the point 
(distance in meters).
A. 107.7 joules B. 100.0 joules C. 99.20 joules D. 21.54 joules
Mathematics
Evaluate the expression.3-2
A. -9
B. 9
C. 
D. 
Mathematics
Solve the formula for the specified variable.
+ 
= 
for c
A. c = 
B. c = a + b
C. c = 
D. c = ab(a + b)
Mathematics
Round the number to the given place value.In a laboratory course in veterinary biology, fleas gathered from Princess, a volunteered pet dog, averaged 0.168858 inch in length. Round this amount to the nearest thousandth.
A. 1 inch B. 0.168 inch C. 0.170 inch D. 0.169 inch
Mathematics