Perform the indicated operation. Express your answer in simplest form.
+ 
A.
B.
C.
D.
Answer: A
Mathematics
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Solve the problem.Solve S = ?r2 + (r + 9)h for r.
A. r =
B. r =
C. r =
D. r =
Mathematics
Convert the given polar coordinates of the point to rectangular coordinates.
A.
B.
C.
D.
Mathematics
Write the rate as a unit rate.10 cents for 5 marbles
A. 0.5 cents/marble B. 50 cents/marble C. 15 marbles D. 2 cents/marble
Mathematics
Find the probability.A card is drawn from a well-shuffled deck of 52 cards. What is the probability that the card will have a value of 3 and be a face card?
A.
B.
C.
D. 0
Mathematics