Sweater that originally cost $40 is on sale for 10 percent off. what is the amount of the discount?

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 shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

Justin has 750 more than eva and eva has 12 less than justin together they have a total of 63 how much money did