Find the sum of the first 15 terms of an ap whose 1st and last term are -4 and 46 respectively?

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum

Write the pair of fractions as a pair of fractions with a common denominator

Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter