Determine the number by which both sides of the equation must be multiplied or divided, as specified, to obtain just x on the left side.-2x = 4; divide by
A. - 
B. 4
C. -2
D. 2
Answer: C
Mathematics
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Simplify.
A. 25
B. 11
C. 5
D. 5
Mathematics
Factor completely.5x3 + 5x2y - 100xy2
A. 5x(x - 4y)(x + 5y) B. 5x(x + 4y)(x - 5y) C. Prime D. (5x2 + 20xy)(x - 5y)
Mathematics
Convert. Round to the nearest tenth of a degree, if necessary.61°F to degrees Celsius
A. 65.9°C B. 141.8°C C. 16.1°C D. 52.2°C
Mathematics
The function graphed is of the form y = a sin bx or y = a cos bx, where b > 0. Determine the equation of the graph.
A. y = -4 cos (2x)
B. y = 4 sin (2x)
C. y = 4 cos 
D. y = -4 cos 
Mathematics