Find the degree measure of the given angle. Round to the nearest tenth.
?
??
A. ?80.0°
B. 160.0?°
C. 165.0°?
D. 202.5°
E. 170.0?°
Answer: B
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Add or subtract, if possible. Assume that all variables represent non-negative values. Simplify your answer. -20
-2
- 3
- 3
A. -23
- 
B. -17
- 5
C. -23
- 5
D. -17
+ 
Multiply to find the exact answer. Express the answer as a whole or mixed number when possible and simplify.1 ? 4
? 
A. 2
B. 3
C. 3
D. 5
Solve the problem.At Allied Electronics, production has begun on the X-15 Computer Chip. The total revenue function is given by 
and the total profit function is given by 
, where x represents the number of boxes of computer chips produced. The total cost function, C(x), is such that 
Find C(x).
A. C(x) = -0.3x2 + 4x + 8 B. C(x) = 4x + 4 C. C(x) = 3x + 13 D. C(x) = 2x + 8
Evaluate the expression. 
A. 45
B. 
C. 1,814,400
D. 90