What is the amount of tax on a pair of boxing
gloves that costs $68.40, if the tax rate is 9%?

Write the sentence as an equation. z plus 372 is equal to 160

What is the measure of ac? 5 units 13 units 26 units 39 units

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?