In the accompany diagram, the width of the inner
rectangle is represented by x - 3 and the length by x + 3. the width
of the outer rectangle is represented by 3x - 4 and the length by 3x +
4. express the area of the region inside the larger rectangle but
outside the smaller rectangle as a polynomial in terms of x.
3x - 4
3x +4

Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?

The product of 3 and a number increased by 8 is 31 written as an equation

Atourist boat is used for sightseeing in a nearby river. the boat travels 2.4 miles downstream and in the same amount of time, it travels 1.8 miles upstream. if the boat travels at an average speed of 21 miles per hour in the still water, find the current of the river.