Ten out of 40 students made an A on their English test. Mr. Harris wants the same proportion of students to gen an A on his history test. If Mr. Harris has 60 students, what proportion will help determine how many students he wants to get an A on the test?

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

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?

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?