Simplify the expression.-(-22)
A. -22
B. 0
C. -1
D. 22
Answer: D
Mathematics
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Integrate the function.
dt
A. - 
+ C
B. - 
+ C
C. - 
+ C
D. - 
+ C
Mathematics
Find the foci of the ellipse.9x2 - 90x + 25y2 - 200y + 400 = 0
A. (2, 4), (8, 4) B. (1, 4), (9, 4) C. (4, 2), (4, 8) D. (0, 4), (10, 4)
Mathematics
Solve the equation symbolically.1.2x + 1.3 = -43.1 + 8.6x
A. -52 B. 5.2 C. 5.3 D. 6
Mathematics
Solve by using the square root property.(x + 2)2 = 28
A. x = ± 2
B. x = -2 ± 2
C. x = -2 ± 2
D. x = 2
± 2
Mathematics