Find the approximate side length of a square game board with an area of 111 inches squared

What is the solution to the system of the equations? x = y - 3 x + 3y = 13

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?

If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle? a. 60°, 60°, 60° b. 45°, 90°, 90° c. 30°, 30°, 90° d. 45°, 45°, 90°