If the ratio of men to women at a concert was 4 to 7 which of the following is the possible number of me To women

Which equation represents a proportional relationship that has a constant of proportionality equal to 1/5

It says factor each expression completely 8y+48

Satchi found a used bookstore that sells pre-owned dvds and cds. dvds cost $9 each, and cds cost $7 each. satchi can spend no more than $45.