Simplify.10x + x - 4x + x
A. -x2 + 6x
B. x2 + 6x
C. 6x
D. 8x
Answer: D
Mathematics
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Graph the pair of parametric equations with the aid of a graphing calculator.x = 7t - 7 sin t, y = 7 - 7 cos t, -2? ? t ? 2? 
A. 
B. 
C. 
D. 
Mathematics
Convert.0.079 dekaliters to cubic centimeters
A. 790 cc B. 7.9 cc C. 79 cc D. 0.79 cc
Mathematics
Find the center (h, k) and radius r of the circle. Graph the circle.2x2 + 2y2 - 8x + 16y + 22 = 0
A. (h, k) = (2, -4); r = 9
B. (h, k) = (-2, 4); r = 3
C. (h, k) = (2, -4); r = 3
D. (h, k) = (-2, 4); r = 9
Mathematics
Provide an appropriate response.(56 + 89) + 103 = 24856 + (89 + 103) = 248This is an example of the 
.
A. commutative property of addition B. associative property of multiplication C. associative property of addition D. commutative property of multiplication
Mathematics