Gas prices have slowly increased in the past 3 weeks. They are now at $2.68. 3 weeks ago, gas prices were at 2.41. To the nearest percent, what is the percent increase in gas prices?

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 is the graph of linear inequality 2y > x – 2? image for option 1 image for option 2 image for option 3 image for option 4

The polynomial 2x3 + 9x2 + 4x - 15 represents the volume in cubic feet of a rectangular holding tank at a fish hatchery. the depth of the tank is (x – 1) feet. the length is 13 feet.