Multiply and simplify. Assume that all variables represent positive real numbers.(
+ 3)(
- 3)
A. 8 - 2
B. -1
C. 17
D. 5
Answer: B
Mathematics
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Find the probability.If you are dealt two cards successively (with replacement of the first) from a standard 52-card deck, find the probability of getting a heart on the first card and a diamond on the second.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A cylindrical flower vase is 6 inches across the top and about 11 inches high. How many cubic inches of water could it hold (to the nearest hundredth)?
A. 621.72 in.3 B. 414.48 in.3 C. 1243.44 in.3 D. 310.86 in.3
Mathematics
Write the fraction in simplest form.
A. 
B. 
C. 
D. 3z
Mathematics
Factor the expression completely. If the polynomial will not factor, write "prime."15z2 - 2z - 8
A. prime B. (15z + 2)(z - 4) C. (3z - 2)(5z + 4) D. (3z + 2)(5z - 4)
Mathematics