What is the x-coordinate of the solution to the system of equations? 3x + 5y = 10
1x + 5y = 2

2men and 7 boys can do a piece of working 4 days.it is done by 4 men and 4 boys in 3 days how long would it take for 1man or one boy to do it alone

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?