Is each line parallel, perpendicular, or neither parallel nor perpendicular to a line whose slope is 2/5?

Kai walked one and two-thirds of a mile on saturday and four and one-sixth of a mile on sunday. how many miles did kai walk?

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?

What is a correct first step in solving the inequality-4(3-5x)> -6x+9