Find possible value(s) of ? in the interval [0°, 360°) with the given trigonometric function value.cos ? = - 
A. 60°; 120°
B. 210°; 330°
C. 150°; 210°
D. 60°; 300°
Answer: C
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Simplify the expression. Use positive exponents. Assume variables represent nonnegative numbers.
4
A. 625x4
B. 
C. 
D. 
Solve the application problem. Round to the nearest cent.
Find the least amount that could be deposited in a bank account today at 5% compounded semiannually to allow $1875 withdrawals at the end of each 6 months for 11 years.
A. $118,564.86 B. $31,435.14 C. $30,346.03 D. $32,497.71
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = 2(x + 1)2 - 4
A. 
B. 
C. 
D. 
The nurse has 2.82 liter(s) of a solution that is 42.4% alcohol. How many liters of pure alcohol must she add to bring the solution up to a 78.4% concentration? ? Please enter your answer as a number without the units. Round your answer to the nearest tenth.
Fill in the blank(s) with the appropriate word(s).