Find the value of A that makes the following equation true for all values of x 3^x−3^x−2= A⋅3^x

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.

Find two numbers if their sum is 91 and the ratio is 6: 7?

Adolphin is swimming with her friend. the dolphin jumps to a height of 4.54.54, point, 5 meters above the surface of the water as her friend swims 9.89.89, point, 8 meters directly below her. what is the position of the dolphin's friend relative to the surface of the water? meters