Factor the trinomial completely. If the polynomial cannot be factored, write "prime."a2 - 6ab - 27b2
A. (a - 3b)(a + b)
B. (a - 3b)(a + 9b)
C. (a + 3b)(a - 9b)
D. prime
Answer: C
Mathematics
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Write using exponential notation.10 × 10 × 10 × 10
A. 101 B. 410 C. 4 × 10 D. 104
Mathematics
Combine and simplify. Write the answer as a mixed number as needed.19
- 2
- 1
A. 18
B. 16
C. 16
D. 16
Mathematics
Solve.Simplify: 
.
A. 12x8y4 B. 11x4y2 C. 13x4y2 D. 12x4y2
Mathematics
Find the unknown length in the right triangle. Give an exact answer and a decimal approximation rounded to three decimal places.
A. b = 405 m
B. b = 
m; b ? 3.000 m
C. b = 
m; b ? 32.450 m
D. b = 
m; b ? 20.125 m
Mathematics