Evaluate without using a calculator.cot ?, if csc ? = - 
and cos ? < 0
A. - 
B. - 
C. 
D. - 
Answer: C
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Verify the identity.tan 2 ? (1 + cos 2?) = 1 - cos 2?
What will be an ideal response?
Factor completely. If the polynomial cannot be factored, write prime.u2 - 14u + 48
A. (u - 6)(u + 8) B. (u + 6)(u - 8) C. (u - 6)(u - 8) D. (u + 6)(u + 8)
Solve.Jarod is having a problem with rabbits getting into his vegetable garden, so he decides to fence it in. The length of the garden is 3 feet more than 5 times the width. He needs 54 feet of fencing to do the job. Find the length and width of the garden.
A. length: 23 feet; width: 4 feet
B. length: 45
feet; width: 8
feet
C. length: 18 feet; width: 3 feet
D. length: 28 feet; width: 5 feet
The atmospheric pressure P in pounds per square inch (psi) is given by
?
?
where a is the altitude above sea level (in miles). If a city has an atmospheric pressure of 13.27 psi, what is its altitude?
?
A. 2,565 ft B. 3,038 ft C. 2,549 ft D. 2,573 ft E. 2,557 ft