Solve the inequality and graph the solution.9x - 7 ? 2x - 14
A. [-7, ?)
B. (-?, 7]
C. 
D. 
Answer: D
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Solve the problem.Jane has invited 50 people to a party and expects 
to attend. Of those invited who attend, 
will bring a date. Express the expected number of guests n as an inequality and graph the values of n.
n = number of guests
A. 24 ? n ? 40
n = number of guests
B. 42 ? n ? 60
n = number of guests
C. 20 ? n ? 25
n = number of guests
D. 30 ? n ? 40
n = number of guests
Find the fifth term and the nth term of the geometric sequence whose initial term, a, and common ratio, r, are given.a = 6; r = 5
A. a5 = 3750; an = 6 ? (5)n B. a5 = 18,750; an = 6 ? (5)n C. a5 = 18,750; an = 6 ? (5)n-1 D. a5 = 3750; an = 6 ? (5)n-1
Simplify.(-4)3
A. 64 B. -64 C. -12 D. 12
Find the mean and standard deviation of the specified probability density function.f(x) = 
for [6, 13]
A. ? = 3.50, ? = 2.02 B. ? = 3.45, ? = 2.02 C. ? = 9.50, ? = 2.02 D. ? = 9.50, ? = 1.73