A store in Springtown purchased a laptop computer at a cost of $340 and marked it up 150%. Later on, Evelyn bought the laptop computer. If the sales tax in Springtown is 4%, how much did she pay in all? $

Use the elimination method to solve the system of equations -x+5y=-4 and 4x+3y=16

The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.

If 3x+8=3x+8 is it one solution or no solution