The computer you have been saving for is on sale. You have $750 saved to purchase it. The retail price of the computer is $875 but this week it is discounted 15%. There is a 7.25% sales tax added to the price of the computer. What is the final price of the computer including all discounts and sales tax?

Solve the system of equations y= 3/2 - 1, -x+ y =-3

Adoctor administers a drug to a 38-kg patient, using a dosage formula of 50 mg/kg/day. assume that the drug is available in a 100 mg per 5 ml suspension or in 500 mg tablets. a. how many tablets should a 38-kg patient take every four hours? b. the suspension with a drop factor of 10 ggt/ml delivers the drug intravenously to the patient over a twelve-hour period. what flow rate should be used in units of ggt/hr? a. the patient should take nothing pills every four hours. (type an integer or decimal rounded to the nearest hundredth as needed.)

What is the value of x when x + 7 = 21?