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
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Perform the subtraction and simplify.
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?
A.
B. ??
C. ?
D. ?
E. ?
Plot the point in a polar coordinate system.(4, 405°)
A.
B.
C.
D.
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
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%