Multiply and simplify.
? 
A. 1
B. 
C. -1
D. 0
Answer: A
Mathematics
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Find the perimeter of the figure.A rectangle 9 yd × 15 yd
A. 270 yd B. 24 yd2 C. 48 yd D. 36 yd2
Mathematics
Solve the equation for all complex solutions, giving exact forms in your solution set.7x4 + 9x3 - 26x2 - 36x - 8 = 0
A. 
B. 
C. 
D. 
Mathematics
Graph the two equations and find the points at which the graphs intersect.x + y = 7,
(x - 7)2 + y2 = 2
A. (-8, 15), (-6, 13) B. (8, 1), (6, -1) C. (1, -1), (-1, 1) D. (8, -1), (6, 1)
Mathematics
Find the difference.
- 
A. - 
B. 
C. - 
D. 
Mathematics