A local craft store is selling different kinds of craft paint for $2. $3,
$2, $15, and $2. When placing an ad in the local paper, which
measure of central tendency should it use to advertise?

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?

The length of a rectangle plus its width is 24 cm. the area is 143 square cm. what are the length and width of the rectangle?

The length of the line segment ac is 8x-9 what is the value of x