Simplify.
+ 12 - 
A. 
B. 4
C. 
D. 20
Answer: B
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Evaluate the integral.
A. 
sec-1 
+ C
B. 
sec-1 
+ C
C. 
sec-1 
+ C
D. 
sin-1 
x + C
Use the given values of the variables to find the value of the expression.-2x + 5y - 6a for x = -2, y = 1, a = -1
A. -6 B. -7 C. 5 D. 15
Solve the problem.A wire 20 feet long is to be cut into two pieces. One piece will be shaped as a square and the other piece will be shaped as an equilateral triangle. Express the total area A enclosed by the pieces of wire as a function of the length x of a side of the equilateral triangle. What is the domain of A?
What will be an ideal response?
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cos(2?) = 
, 0 < ? < 
Find sin ?.
A. 
B. 
C. 
D. 