Which pair of ratios can form a true proportion? A. one half, six tenths B. six eighths, five over twenty C. three fifths, six tenths D. three ninths, seven over eighty

What is the solution of the systems of equations? y=2/3x+3 x=-2

Can any one me with the answers to these questions asap?

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?