How do i do this problem (7 3/8) - (4 5/8)

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.

Find the area of the regular hexagon if a side is 20 cm.

Sara has been reading about different types of financial grants, including federal pell grants, academic competitiveness grants, smart grants, and teach grants. which statement about these grants is true? filling out a fafsa will not her apply for these grants. she will not have to pay back any funds she receives from these grants. these grants only go to students with less than a 3.0 gpa. she will have to pay back all the funds she receives from these grants.