Solve the equation and check the solution.28 = 7x
A. x = 
B. x = 196
C. x = 21
D. x = 4
Answer: D
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Does the system have one solution, no solution, or an infinite number of solutions? 2x - y = 5-4x + 2y = -18
A. One B. Infinite number C. No Solution
Solve the problem.After a person stops pedaling a bicycle, the wheel rotates 500 times the first minute. Each subsequent minute, it rotates 
as many times as in the previous minute. How many times will the wheel rotate before coming to a complete stop?
A. 3500 rotations B. 2000 rotations C. 666.7 rotations D. 4000 rotations
Determine whether the points P, Q, and R are collinear by comparing 
and 
. If the points are collinear, determine which point lies between the other two points.P(0, 3, -3), Q(1, 3, -2), R(-3, 3, -6)
A. The points are collinear. Point R lies between points P and Q. B. The points are collinear. Point P lies between points Q and R. C. The points are collinear. Point Q lies between points P and R. D. The points are not collinear.
Subtract.3,409.26 - 9.773
A. 3,399.487 B. 3,400.49 C. 3,311.53 D. 3,312.53