Of the 240 available seats for a concert, 63 seats were reserved. what fraction of seats was reserved? write your answer in simplest form.

Twenty-five percent of the customers entering a grocery store between 5 p.m. and 7 p.m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

Abcd is a parallelogram. the diagram is not drawn to scale. if m

Antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.