a women earns 3500 per month and budgets 480 per month for food. What percent of her monthly income is spent on food?

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

What is the length of the segment, endpoints of which are intersections of parabolas y=x^2− 11/4 x− 7/4 and y=− 7 /8 x^2+x+ 31/8 ?

Atruck can be rented from company a $50 a day plus $0.60 per mile. company b charges $20 a day plus $0.80 per mile to rent the same truck. find the number of miles in a day at which the rental costs for company a and company b are the same