Find the radius of a circle to the nearest hundredth if its circumference is 25.5 yard

Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?

Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64