Solve the equation for the indicated variable.Cp = 
for k (specific heat)
A. k = 
B. k = 
C. k = 
D. k = 
Answer: D
Mathematics
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Factor the trigonometric expression.cot2? cos ? - 10 cot ? cos ? + 24 cos ?
A. (cot ? cos ? - 4)(cot ? - 6 cos ?) B. (cos ?)(cot ? - 24)(cot ? - 1) C. (cot ? cos ? + 4)(cot ? - 6 cos ?) D. (cos ?)(cot ? - 4)(cot ? - 6)
Mathematics
Solve the problem.Julie and Eric row their boat (at a constant speed) 24 miles downstream for 4 hours, helped by the current. Rowing at the same rate, the trip back against the current takes 6 hours. Find the rate of the current.
A. 0.5 mph B. 1 mph C. 5 mph D. 2 mph
Mathematics
What is the square root of 49?
a. 49 b. 14 c. 7 d. 2401 e. 21
Mathematics
Underline the digit that occupies the given place.0.043
Thousandths place
A. 0.0
3
B. 0.04
C. 0.
43
D. 
.043
Mathematics