Mary says the pin for horses is an acute right triangle is it possible explain

Kendra had twice as much money as kareem. kendra later spent $8 and kareem earned $6. by then, the two had the same amount of money. how much money did each have originally?

One hectometer is a) 1/1000 of a meter. b) 1/100 of a meter. c) 10 meters. d) 100 meters. e) 1000 meters.

For what values of a is the sum of the fractions 2a−1 / 4 and a−1 /3 positive?