The number of copies of a movie at a video kiosk decreased at a constant rate of 5 copies per week the 6th week after the movie was released 4 copies were rented how many copies were rented during the second week?

One-third of the people from country a claim that they are from country b, and the rest admit they are from country a. one-fourth of the people from country claim that they are from country a, and the rest admit they are from country b. in a combined census of the two countries, one-half of the total claimed to be from a. what is the ratio of the populations of country a to that of country b.

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?