Nathan lifts a 5 lb. box 2 feet. How much work has he done? 2 ft-lbs.
5 ft-lbs.
7 ft-lbs.
10 ft-lbs.

[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

Find the distance between (7,-6) and (-3,-9)