Simplify, where possible.2a - 2b + 6c - 2(5a + 6b - 9c)
A. -3a + 4b - 3c
B. -8a + 10b - 12c
C. -8a - 8b + 15c
D. -8a - 14b + 24c
Answer: D
Mathematics
You might also like to view...
Solve the problem.The height of a box is 7 inches. The length is three inches more than the width. Find the width if the volume is 126.
A. 6 in. B. 3 in. C. 7 in. D. 18 in.
Mathematics
Find the indicated sum. Find the sum of the first 9 terms of the geometric sequence: 
, - 
, 
, - 
, 
, . . .
A. 
B. 616
C. 
D. 
Mathematics
Two linear functions, y1 and y2, are graphed with their point of intersection indicated. Give the solution set of 
A. {2} B. {1} C. {-2} D. {4}
Mathematics
Use the Half-angle Formulas to find the exact value of the trigonometric function. cos 22.5°
A. 
B. - 
C. - 
D. 
Mathematics