Add mentally.0 + 6 + 7 + 4 + 0 + 1
A. 18
B. 12
C. 17
D. 16
Answer: A
Mathematics
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Simplify. Assume that all variables represent positive real numbers.6
- 5x
A. Cannot be simplified
B. 2x
C. x
D. (6 - 5x)
Mathematics
Find the center and the radius of the circle.x2 + y2 - 16x + 8y + 80 = 64
A. (-4, 8); r = 8 B. (-8, 4); r = 64 C. (4, -8); r = 64 D. (8, -4); r = 8
Mathematics
Find the indicated sum.Find the sum of the first 55 terms of the arithmetic sequence: 2, 4, 6, 8, . . .
A. 112 B. 3135 C. 3080 D. 3086
Mathematics
Give the values of Xmin, Xmax, Ymin, and Ymax for the screen, given the values for Xscl and Yscl.
Xscl = 10, Yscl = 10
A. [-30, 30] by [-40, 40] B. [-40, 40] by [-30, 30] C. [-3, 3] by [-4, 4] D. [-4, 4] by [-3, 3]
Mathematics