A stone is launched into the air from a height of 240 feet. The height, h, of the stone, in feet, 1 seconds after launch is given by the formula h = - 1612 + 32t + 240. After how long will the stone hit the ground?

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

Acircus act has 3 times as many elephants as acrobats. jorge noticed that all together there were 56 legs in the circus ring. how many elephants were in the show?

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?