In a certain archery competition, archers shoot 25 arrows and receive penalty points for each missed shot: 1 penalty point for the first miss and for each subsequent miss a penalty that is ½ point greater than for the previous miss. if an archer received 7 penalty points total, how many times did he hit the target

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?

Is the power produced directly proportional to the wind speed, give reasons for your answer?

The angles in a triangle are represented by 5x, 8x, and 2x+9. what is the value of ? a.10.8 b.11.4 c.9.7 d.7.2