Find a1, d, an, n, or Sn for the arithmetic sequence, as instructed.d = -3, n = 30, S30 = 10; Find an.
A. 29
B. -25
C. -28
D. -31
Answer: C
Mathematics
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Multiply.(7a)(7a2)
A. 49a3 B. 7a + 7a2 C. 14a3 D. 49a2
Mathematics
Use the multiplication principle to solve the equation.8 = 
a
A. 10 B. 4 C. 9 D. 16
Mathematics
Solve.log125 3125 = x
A. 
B. - 
C. 
D. - 
Mathematics
Factor the polynomial completely. If the polynomial cannot be factored, say it is prime.10x2 + 7xy - 12y2
A. (2x - 3y)(5x + 4y) B. (2x + 3y)(5x - 4y) C. (10x + 3y)(x - 4y) D. Prime
Mathematics