Which expression is equivalent to 7^3 ⋅ 7^−5? a.7^2 b.7^7 c.1 over 7 to the 2nd power d.1 over 7 to the 7th power

Cora bought a package of erasers. there are 4 pink erasers and 12 blue erasers. what is the ratio of pink erasers to blue erasers?

If the discriminant if a quadratic equation is 4 which statement describes the roots?

If g^-1(x) is the inverse of g (x) which statement must be true