Find the least common multiple of the numbers.210 and 360
A. 75,600
B. 10,800
C. 6300
D. 2520
Answer: D
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Find the cross-product and determine whether the proportion is true or false.
= 
A. 2310 = 2310; true B. 3360 ? 630; false C. 1800 = 1800; true D. 1800 ? 2310; false
Solve the system of equations. x - y + 3z = -23x
= 0 x + 3y 
= 6
A. {(0, 2, -2)} B. {(0, 0, 2)} C. {(0, 2, 0)} D. {(2, 0, 0)}
Find the average rate of change of the function from x1 = 1 to x2 = 5.
?
?
A. The average rate of change from x1 = 1 to x2 = 5 is 24. B. The average rate of change from x1 = 1 to x2 = 5 is -4. C. The average rate of change from x1 = 1 to x2 = 5 is -24. D. The average rate of change from x1 = 1 to x2 = 5 is -18. E. The average rate of change from x1 = 1 to x2 = 5 is 4.
Solve the problem.A formula used to determine the velocity v in feet per second of an object (neglecting air resistance) after it has fallen a certain height is 
where g is the acceleration due to gravity and h is the height the object has fallen. If the acceleration g due to gravity on Earth is approximately 32 feet per second per second, find the velocity of a bowling ball after it has fallen 70 feet. (Round to the nearest tenth.)
A. 4480 ft per sec B. 47.3 ft per sec C. 11.8 ft per sec D. 66.9 ft per sec