Factor completely. If the polynomial is prime, then state this as your answer.81x2 + 36xy + 4y2
A. (9x - 2y)2
B. (9x + 2y)(9x - 2y)
C. (81x + y)(x + 4y)
D. (9x + 2y)2
Answer: D
Mathematics
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Solve the problem.In triangle ABC, the measure of angle B is 5° more than three times the measure of angle A. The measure of angle C is 15° more than the measure of angle A. Find the angle measures.
A. A = 32°, B = 47°, C = 101° B. A = 47°, B = 101°, C = 32° C. A = 32°, B = 101°, C = 47° D. No solution
Mathematics
Express the given expression in simplest form with only positive exponents.
A. 29 B. 49 C. 1 D. 26
Mathematics
Evaluate the integral by making a substitution and then using a table of integrals.
A. 
+ 8 ln 
+ C
B. 
+ 8 sin-1 
+ C
C. 
+ 8 ln 
+ C
D. 8 sin-1 
+ C
Mathematics
Rewrite the series using summation notation. Use 1 as the lower limit of summation.- 
+ 
- 
+ . . . - 
A. 
B. 
C. 
D. 
Mathematics