If the unit selling price is $2.50 and the unit cost is $1.00 what action is needed to maintain the gross margin percentage when unit cost increases $0.25

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet

Prove the converse of the pythagorean theorem using similar triangles. the converse of the pythagorean theorem states that when the sum of the squares of the lengths of the legs of the triangle equals the squares length of the hypotenuse, the triangle is a right triangle. be sure to create and name the appropriate geometric figures.

What is the angle measure, or angle of depression, between this bird and the bird watcher?