A beginners artist kit cost $6.35 and contains two brushes and five jars of paint. The standard kit has four brushes and 12 jars of paint. It costs $13.20. What is the price of one brush

Show me how you find the value of each variable and determine what the value of each variable is you i appreciate it : )

Evaluate the integral. (sec2(t) i t(t2 1)8 j t7 ln(t) k) dt

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?