Find the measure, in degrees, of angle x in this figure.

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.

What ia the sum if the first 7 terms of the geometric series

Aramp rises 4 feet over a distance of 10 feet. what is the length of the ramp?