The area is 45 meters squared. find the base

You can find the constant of proportionality by finding the ratio of

Solve the inequality and graph 6j - 7 < 5

D(5, 7). e(4,3), and f(8, 2) form the vertices of a triangle. what is mzdef? oa. 30° ob. 45° oc. 60° od 90°