Suppose that the populations of the united states and china both increase by 12 million people in one year. what would be the relative changes that each country underwent?

1) if you assume that the u. s. population is about 300 million, an increase of 12 million would result in a relative change of ? %

2) if you assume that china has about 1 billion people, an increase of 12 million would result in a relative change of ? %

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.

Apiling for a high-rise building is pushed by two bulldozers at exactly the same time. one bulldozer exerts a force of 1250 pounds in a westerly direction. the other bulldozer pushes the piling with a force of 2650 pounds in a northerly direction. what is the direction of the resulting force upon the piling, to the nearest degree? a. 65 n of w b. 25 n of w c. 45 n of w d. 35 n of w

Factor and solve to find roots x squared -x - 90 =0