Solve. Try factoring first. If factoring is not possible or is difficult, use the quadratic formula.6y2 + 17y + 12 = 0

A. - , -  
B. , - 
C.  
D. - , -  


Answer: D

Mathematics

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Perform the subtraction and simplify. ? ?

A.
B. ??
C. ?
D. ?
E. ?

Mathematics

Plot the point in a polar coordinate system.(4, 405°)

A.

B.

C.

D.

Mathematics

Convert the polar equation to rectangular form. Identify the curve.r = cos ?

A. x2 + y2 = y; a circle centered at  with radius 
B. x2 + y2 = x; a circle centered at  with radius 
C. (x + y)2 = y; a circle centered at  with radius 
D. (x + y)2 = x; a circle centered at  with radius 

Mathematics

Solve the problem. Round to the nearest hundredth of a percent if needed.Use of the internet for shopping is increasing dramatically, but still is somewhat age dependent. When a popular web site that sells books asked the age of users who bought products from them over the internet, they obtained the following data. What is the probability that a buyer on this web site is aged 

A. 3.16% B. 3.14% C. 2.32% D. 2.27%

Mathematics