Write the equation of a line with a slope of 3 and passing through the point (-5, -7). Show steps please

Solve the system of equations. y= 2x y= x^2 - 15

Do xuan nam isgoing to invest $1000 at a simple interest rate of 4% how long will it take for the investment to be worth $1040?

The 7th grade has collected $200 for a field trip that would cost $600. the teachers decided to ask $50 from additional students to cover the cost. how mny students must pay to cover the cost ? a 16studentsb 80studentsc 160studentsd 8students show work