Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cot ? = -3, sec ? > 0Find cos 
.
A. 
B. - 
C. - 
D. 
Answer: C
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Which of the following is not equivalent to the following function: f(x) = 4(x + 2)? ?
A. ?f(x) = 4x + 2 B. ?four times the quantity of the sum of a number and 2 equals some function value. C. ?four times a quantity of a number increased by 2 is equal to a function value. D. ?f(x) is equal to four times the sum of a number and 2. E. ?none of the above.
Provide an appropriate response.Determine whether the following statement is true or false, and explain why. All integers are rational numbers.
What will be an ideal response?
Find the indicated probability.A spinner has regions numbered 1 through 21. What is the probability that the spinner will stop on an even number or a multiple of 3?
A. 
B. 17
C. 
D. 
Solve the problem.The radiator in a certain make of car needs to contain 
of 40% antifreeze. The radiator now contains 
of 20% antifreeze. How many liters of this solution must be drained and replaced with 100% antifreeze to get the desired strength?
A. 20.0 L B. 15.0 L C. 24 L D. 30 L