Solve the equation.x2 + 3x - 18 = 0
A. {6, 3}
B. {6, -3}
C. {-6, 3}
D. {-6, 1}
Answer: C
Mathematics
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Find the nth term of the geometric sequence with the given values.4, -12, 36, . . . ; n = 6
A. 2916 B. -972 C. -8748 D. -243
Mathematics
Perform the indicated operation.-10 - 15
A. -5 B. -25 C. 5 D. 25
Mathematics
At one high school, the mean time for running the 100-yard dash is 
with a standard deviation of 0.9 seconds. The times are normally distributed.Find the percent of times that are between 15.2 and 16.1 seconds.
A. 34% B. 50% C. 68% D. 13.5%
Mathematics
Divide. Write a mixed numeral for the answer.5
÷ 1
A. 5
B. 4
C. 4
D. 4
Mathematics