Can someone me with this question. i need this asap

The base of a triangle exceeds the height by 7 centimeters. if the area is 400 square centimeters, find the length of the base and the height of the triangle.

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

During a wright loss challenge your friend goes from 125 pounds to 100 pounds.what was the percent weight loss