Solve.How many lines are determined by 15 points, no 3 of them being collinear?
A. 210
B. 105
C. 15
D. 1365
Answer: B
Mathematics
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Solve the problem.How long must $4000 be in a bank at 7% compounded annually to become $6872.74? Round to the nearest year.
A. 9 yr B. 10 yr C. 8 yr D. 7 yr
Mathematics
Use De Moivre's theorem to simplify the expression. Write the answer in a + bi form.(-5
+ 5i
)3
A. 500
+ 500i
B. 15
+ 15i
C. 50
+ 50i
D. 5
+ 5i
Mathematics
Simplify the expression by multiplying. -2(-7t)
A. 9t B. 14t C. -9t D. -14t
Mathematics
Use the Factor Theorem to determine whether x - c is a factor of f(x).3x3 + 8x2 - 15x - 4; x + 4
A. Yes B. No
Mathematics