Cost of a sweater is 3395 markup is 70% what is the original price

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 are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle