Alaptop has a listed price of a laptop that has a listed price of $538.95 before tax at the sales tax rate is 9.725% find the total cost of the laptop with sales tax included round your answer to the nearest cent as necessary

Apatient is to be given 35 milligrams of demerol every 4 hours. you have demerol 50 milligrams/milliliter in stock. how many milliliters should be given per dose?

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?