Solve the system by the elimination method 7x+5y=-25 and 5x+3y=-23

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.

X-intercept=-5 y-intercept=2 the equation of the line is

How far could you drive on 50 gallons of gas