a collector collect 77 coins- nickels, dimes, and quarters from parking meters downtown for a total of $6.40. there were 11 more dimes than quarters. How many of each type of coin did the collector collect?

In the figure dhg fhe which statement is true by cpctc

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?

Nick and nora are married and have three children in college. they have an adjusted gross income of 47,400. if their standard deduction is 12,600 itemized deductions are 14,200 and they get an exemption of 4000 for each adult and each dependent what is their taxable income