Convert the given amount to the given unit. 1. 15 days; hours

What is the most accurate measurement of 1 pound

Use the formulas a = x 2 – y 2, b = 2xy, c = x 2 + y 2 to answer this question. one leg of a right triangle has length 11 and all sides are whole numbers. find the lengths of the other two sides. the other leg = a0 and the hypotenuse = a1

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?