Simplify the expression.14441/2
A. 76
B. 38
C. 152
D. 19
Answer: B
Mathematics
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Graph the polar equation.r = - 1 - sin ?
A. 
B. 
C. 
D. 
Mathematics
Find the derivative of y with respect to the independent variable.y = (cos ?)
A. -
cos ? sin ?
B. 
(cos ?)
-1
C. -(cos ?)
-1 sin ?
D. -
(cos ?)
-1 sin ?
Mathematics
Solve the problem.The amount of time it takes a swimmer to swim a race is inversely proportional to the average speed of the swimmer. A swimmer finishes a race in 37.5 seconds with an average speed of 4 feet per second. Find the average speed of the swimmer if it takes him 50 seconds to finish the race.
A. 5 ft/sec B. 2 ft/sec C. 3 ft/sec D. 4 ft/sec
Mathematics
Solve the equation.-8.3 = y + 3.7
A. 12 B. 4.6 C. -12 D. -4.6
Mathematics