1. the graph below shows a system of equations:

the x-coordinate of the solution to the system to the system of equations is

You serve 3 1/4 gallons of punch at a party. your friends drink 1 1 /2 gallons of the punch. which of these containers is the smallest you can use to store the remaining punch?

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?

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.