What are all operations with fractions that require a common denominator

The total number of students in gina’s after-school program is .the number of students who have 4 or more siblings is .reset next

The gades foundation and hbm corporation are eager to donate generously to their favorite charities. the gades foundation donated $250 in the first month, and each month afterward their cumulative donation total increases by 100$ the hbm corporation donated $64, in the first month, and each month afterward their cumulative donation total increases by 75%. in which month will the hbm corporation's cumulative donation total first exceed the gades foundations' cumulative donation total?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.