Philip is going on a 4000-kilometer road trip with three friends. the car consumes 6 liters of gas per 100 kilometers, and gas costs $1.50 per liter.
if philip and his friends want to split the cost of gas evenly, how much should they each pay?

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2