Acertain shade of green paint is made from 5 parts yellow mixed with three parts blue. if 2 cans of yellow are used, how many cans of blue should be used?

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

50 people men and women were asked if they watched at least one sport on tv. 20 of the people surveyed are women, but only 9 of them watch at least one sport on tv. 16 of the men watch at least one sport on tv. make a a two-way table and a relative frequency table to represent the data.

Using only odd number for numerators write two different subtraction problems that have a difference of 3/4