Solve the problem.How many ways can a class president, a class secretary, and a class treasurer be chosen from a group of 6 candidates?
A. 15
B. 120
C. 360
D. 18
Answer: B
Mathematics
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Use either the binomial theorem or Pascal's Triangle to expand the binomial.(2x + 4)3
A. 4x6 + 8x3 + 4096 B. 8x3 + 48x2 + 96x + 64 C. 8x3 + 48x2 + 48x + 64 D. 4x2 + 16x + 16
Mathematics
Find an equation of variation in which y varies inversely as x and the following is true.y = 5.25, when x = 0.4
A. y = 
x
B. y = 
C. y = 
x
D. y = 
Mathematics
Divide.6.3 ÷ (0.09)
A. 
B. 62.1
C. 6.21
D. 70
Mathematics
Factor the trinomial, or state that the trinomial is prime.7x2 + 31x + 20
A. (7x + 5)(x - 4) B. (7x - 4)(x + 5) C. prime D. (7x + 4)(x - 5)
Mathematics