If a helicopter at 2000 meters begins to descend at 3 meters per second, how far is the helicopter from the ground after a minute and a half?

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?

Which table represents a linear function? i'll give brainliest to first answer ^'^

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?