The sum of two numbers is 55. The large number is 13 more than the smaller number. What are the numbers?

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x

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?