Arrange the following fractions in order from least to greatest. 5/8 , 11/18 , 7/12 , 5/9 and explanation please

Ared balloon starts at 7.3 meters off the ground and rises at 2.6 meters per second. a blue balloon starts at 12.4 meters off the ground and rises at 1.5 meters per second. when will the balloons be at the same height?

What is (28 + 7 + 6 + 3) x 1/2 show your work

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.