42 base x + 53 base x = 125 base x

Which statement best describes a square? a. a special rectangle that has four right angles b. a special trapezoid that has four sides of equal length c. a special rectangle that has four sides of equal length d. a special trapezoid that has four right angles

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.

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.