Write the standard form of the equation of the circle with radius r and center (h, k).r = 2; (h, k) = (0, 0)
A. (x - 2)2 + (y - 2)2 = 2
B. x2 + y2 = 2
C. (x - 2)2 + (y - 2)2 = 4
D. x2 + y2 = 4
Answer: D
Mathematics
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Solve the problem.The motion of a spring-mass system is described by the equation 
where y is the distance in feet from the equilibrium position and t is time in seconds. If the weight is 18 feet from the ceiling in a state of equilibrium, find the starting position of the weight 
A. 13 ft B. 5 ft C. 18 ft D. 36 ft
Mathematics
Divide.8397.90 ÷ 4.8
A. 1749.5625 B. 17,495.625 C. 0.00057157 D. 0.00571571
Mathematics
Describe the orthocentric set of a triangle.
What will be an ideal response?
Mathematics
Factor the polynomial completely. If the polynomial cannot be factored, write "prime."7t2 - t - 180
A. (7t - 5)(t + 36) B. (7t - 36)(t + 5) C. (7t + 36)(t - 5) D. (7t + 5)(t - 36)
Mathematics