Agroup of 20 friends is planning a road trip. they have 3 cars that seat 4 people, 3 cars that seat 5 people, and 1 car that seats 6 people. what is the fewest number of cars they can take on the trip if each person needs his or her own seat?

Match each function with the corresponding function formula when h(x)=5-3x and g(x)=-3+5

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

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?