if the sum of the external forces on an object is zero, then the sum of the external torques on it must also be zero.

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Determine whether the points (–3,–6) and (2,–8) are in the solution set of the system of inequalities below. x ? –3 y < 5? 3x + 2 a. the point (–3,–6) is not in the solution set, and the point (2,–8) is in the solution set. b. neither of the points is in the solution set. c. the point (–3,–6) is in the solution set, and the point (2,–8) is not in the solution set. d. both points are in the solution set.

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?