Joey has $5.75 made up of all dimes and quarters. if joey has 38 coins, how many of each coin does he have?

Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?

In the triangles, tr = ge and sr = fe. if = 3.2 ft, which is a possible measure of ? 1.6 ft 3.0 ft 3.2 ft 4.0 ft

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?