The length of a rectangle is four times its width. if the area is 400 cm squared, find its perimeter

You wanted to draw an enlargement of design that printed on a card that is 4 in by 5

Ihave a triangle with a 60 degree angle. lets use d for that angle. what are the values of e and f if d is 60 degrees? and what do you notice about the values of e and f?

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?