If 1/4 of the people in a water aerobics class are over age 65 and 1/4 of the people in the class are under age 40 what fraction of the people in the class are either over 65 or onder 40?

Suppose investors can earn a return of 2% per 6 months on a treasury note with 6 months remaining until maturity. the face value of the t-bill is $10,000. what price would you expect a 6-month maturity treasury bill to sell for? (round your answer to 2 decimal places. omit the "$" sign in your response.)

Find the value of 1715⋅211.though these numbers aren't quite as nice as the ones from the example or the previous part, the procedure is the same, so this is really no more difficult. give the numerator followed by the denominator, separated by a comma.

Rectangle leg this 11feet and perimeter of 38feet what is the width of the rectangle in feet