Factor completely.5x2 - 30x + 45
A. (5x - 15)(x - 3)
B. 5(x - 9)(x + 1)
C. (x - 3)(5x - 15)
D. 5(x - 3)(x - 3)
Answer: D
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Use trial and error to factor the trinomial, or state that the trinomial is prime.8x2 + x - 9
A. (8x + 1)(x - 9) B. (8x + 9)(x - 1) C. (8x - 9)(x + 1) D. (8x - 1)(x + 9)
Solve the problem.Find the circumference of a circle with diameter 16 cm rounded to the nearest hundredth. Use ? ? 3.14.
A. 25.12 cm B. 50.24 cm C. 100.48 cm D. 200.96 cm
Rewrite in terms of two or more logarithms using the quotient and product rules for logarithms. Assume all variables represent positive real numbers.log13
A. (log1314)( log13m) - log13n
B. log1314 - log13m - log13n
C. log1314 + log13m - log13n
D. 
A statement Sn about the positive integers is given. Write statements S1, S2, and S3, and show that each of these statements is true.Sn: 3 + 8 + 13 + . . . + (5n - 2) = 
What will be an ideal response?