Solve the equation.
= 1 + 
A. No solution
B. -12
C. -2, 4
D. 6, 10
Answer: D
Mathematics
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Find the length of the curve.The circle r = 9 cos ?
A. 81?
B. 9?
C. 18?
D. 
?
Mathematics
Write the function in the form y = f(u) and u = g(x). Then find dy/dx as a function of x.y = cot(5x - 7)
A. y = 5u - 7; u = cot x; 
= - 5 cot x csc2 x
B. y = cot u; u = 5x - 7; 
= - 5 cot(5x - 7) csc(5x - 7)
C. y = cot u; u = 5x - 7; 
= - 5 csc2(5x - 7)
D. y = cot u; u = 5x - 7; 
= - csc2(5x - 7)
Mathematics
Use unit ratios to convert the units.5.1 miles to feet
A. 748.00 ft B. 8,976 ft C. 26,928 ft D. 2,244 ft
Mathematics
Write the numbers in order of increasing size.8.25, 8
, 8.52, 8
A. 8
, 8.52, 8
, 8.25
B. 8.25, 8
, 8.52, 8
C. 8
, 8
, 8.25, 8.52
D. 8.25, 8.52, 8
, 8
Mathematics