Find the exact value of the following expression without using a calculator.cos 
A. 
B. 
C. - 
D. - 
Answer: A
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Provide an appropriate response.The number of loaves of whole wheat bread left on the shelf of a local quick stop at closing (denoted by the random variable X) varies from day to day. Past records show that the probability distribution of X is as shown in the following table. Find the probability that there will be at least three loaves left over at the end of any given day. 
A. 0.20 B. 0.65 C. 0.35 D. 0.15
Factor the trinomial, or state that the trinomial is prime.9x2 + 6xy - 8y2
A. (9x + 4y)(x - 2y) B. (3x + 4y)(3x - 2y) C. prime D. (3x - 4y)(3x + 2y)
Solve for x. Be sure to reduce your answer. Check your solution.- 
x = -5
A. x = -15 B. x = -14 C. x = 0 D. x = 45
Factor completely, or state that the polynomial is prime.y5 - 81y
A. y(y2 + 9)(y + 3)(y - 3) B. y(y2 - 9)(y2 - 9) C. y(y2 + 9)(y2 + 9) D. prime