Perform the indicated operation and write the answer in lowest terms.
+ 
- 
A. 
B. 
C. 
D. 
Answer: B
You might also like to view...
Solve and graph. Write the answer in set-builder notation.
? 7 
A. {x |x ? 21}
B. {x |x > 21}
C. {x |x < 21}
D. {x |x ? 21}
Write the word statement as an equation. Use x to represent the unknown number. Do not solve.The difference between the sum of 4 times a number and 9 and 3 times the number results in the number increased by 13.
A. (4x + 9) + 3x = x - 13 B. 4x - (9 - 3x) = x + 13 C. (4x + 9) - 3x = x + 13 D. 4(x - 9) - 3x = x - 13
Express the product as a sum containing only sines or cosines.sin(6?) sin(2?)
A. sin2(12?2)
B. 
[sin(8?) + cos(4?)]
C. 
[cos(8?) - cos(4?)]
D. 
[ cos(4?) - cos(8?)]
Solve the system using the inverse matrix method.
A. x = -1, y = 3; (-1, 3) B. x = 1, y = -3; (1, -3) C. x = -3, y = 1; (-3, 1) D. x = 3, y = -1; (3, -1)