A triangle in the coordinate plane has vertices at (−2, 0), (4, 0), and (1, 5). What is the area of this triangle, in square units?

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

Aculture started with 3000 bacteria. after 5 hours it grew to 3900 bacteria. predict how many bacteria will be present after 9 hours