Solve the problem.12 different books are to be arranged on a shelf. How many different arrangements are possible?
A. 39,916,800
B. 12
C. 479,001,600
D. 239,500,800
Answer: C
Mathematics
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One positive number is 2 larger than another number. The sum of their squares is 52. Find the numbers.
A. 4, 6 B. 7, 8 C. 5, 7 D. 6, 7 E. 2, 4
Mathematics
Find the greatest common factor, GCF, of the expressions.x4, x5, x6
A. x4 B. x6 C. x D. x15
Mathematics
Write a formula for the nth term of the geometric sequence.-3, -9, -27, -81, -243, . . .
A. an = a1 + 3n B. an = -3(3)n - 1 C. an = -3(3n) D. an = -3(3)n
Mathematics
Find the LCM and the GCF of 100 and 120.
A. 120, 20 B. 600, 40 C. 600, 20 D. 12,000, 40
Mathematics