Find the exact value of the expression.
A. -2
B. - 
C. -
D. - 
Answer: D
Mathematics
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Answer as requested.Which of the following pairs of variables is likely to have no correlation?
A. The unemployment rate and the number of home foreclosures B. The amount of rainfall and the height of the grass C. The annual rainfall in Tempe, Arizona and the annual cost of tuition at Yale University D. The amount of time studying math and grade on a math test
Mathematics
Prove the identity.tan
= 
What will be an ideal response?
Mathematics
Use a vertical shift to graph the function.y = 2 cos 
+ 2 
A. 
B. 
C. 
D. 
Mathematics
Factor completely using the grouping method to factor trinomials. If unfactorable, indicate that the polynomial is prime.15x2y2 + 11xy2 - 12y2
A. y2(x + 4)(15x - 3) B. (5x + 4y)(3x - 3y) C. (3x + 4y)(5x - 3y) D. y2(3x + 4)(5x - 3)
Mathematics