Tom has twice as much as peter. peter has half as much as mary. together they all have a total of $15.00. how much money did each have?

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

Tyler enjoys the fish so much that after his birthday his family decides to take him to a famous aquarium a tank at the aquarium is similar to his tank with the scale factor of 8 how many times greater is the volume of the tank at the aquarium than the volume of tyler tank

Ihave a triangle with a 60 degree angle. lets use d for that angle. what are the values of e and f if d is 60 degrees? and what do you notice about the values of e and f?