Factor the expression completely, if possible.36 - y2
A. (6 + y)2
B. (6 + y)(6 - y)
C. (6 - y)2
D. Does not factor
Answer: B
Mathematics
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Factor completely.6y2 + 27y - 15
A. prime B. (6y - 3)(y + 5) C. 3(2y + 1)(y - 5) D. 3(2y - 1)(y + 5)
Mathematics
Divide and, if possible, simplify.
A. 
B. z - 9
C. z + 9
D. 
Mathematics
Find the probability.The table lists the eight possible blood types. Also given is the percent of the U.S. population having that type.
Let E be the event that a randomly selected person in the U. S. has type B blood. Let F be the event that a randomly selected person in the U. S. has RH-positive blood.Find P(F|E).
A. 0.818 B. 0.340 C. 0.720 D. 0.107
Mathematics
Identify the equation without completing the square.2x2 + 4y2 - 3x - 1 = 0
A. parabola B. ellipse C. hyperbola D. not a conic
Mathematics