Ican't seem to work out this problem using quadratic formula. how do i do this problem?

You are cycling around europe with friends. you book into a hostel and you ask the owner what the ratio of men to women is currently staying there. there are 24 men and 6 women. what is the ratio of men to women in its simplest form?

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

Emily is entering a bicycle race for charity. her mother pledges $0.90 for every 0.75 mile she bikes. if emily bikes 18 miles, how much will her mother donate?