A computer programmer had two files with a total size of 68.76 gigabytes. If one of the files was 35.46 gigabytes, how big is the second file?

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

The function show two sisters' savings account and the rate at which they plan to deposit money