Solve the system by the substitution method.
A. (4, -5), (5, -4)
B. (-4, -5), (-5, -4)
C. (4, 5), (5, 4)
D. (-4, 5), (-5, 4)
Answer: B
Mathematics
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Find the area.
A. 774 in.2 B. 792 in.2 C. 990 in.2 D. 720 in.2
Mathematics
Find the exact value of the indicated trigonometric function of ?.cos ? = 
, 
< ? < 2?Find cot ?.
A. - 
B. - 
C. 
D. - 
Mathematics
Find: a. The center and radius of the circle. b. The x- and y-intercepts of the graph of the circle.4x2 + 4y2 - 2y = 0
A. a. center = 
; radius = 
b. 
B. a. center = 
; radius = 
b. (0, 0), 
C. a. center = 
; radius = 
b. (0, 0)
D. a. center = 
; radius = 
b. (0, 0), 
Mathematics
For a square with apothem of length a, the perimeter equals 4a.
Answer the following statement true (T) or false (F)
Mathematics