Which property is used for the following expression (4x2) x 5 = 2 x (5 x 4) ?

Negative 5 1/12 + negative 4 1/4 + 6 3/4

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

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?