There are 9 boys and 11 girls in a math class. Which ratios compare the number of girls to the number of boys in the class?
Select all that apply.
9:11, 11 to 9, 11:20, 9/11, 11:9, and 11/9

If 20% of a number is 35, what is 50% of that number?

With these 5 geometry questions! pls 1.)quadrilateral abcd is inscribed in this circle. what is the measure of ∠a ? enter your answer in the box.°2.)quadrilateral abcd is inscribed in a circle. what is the measure of angle a? enter your answer in the box. m∠a= 3.)quadrilateral abcd is inscribed in this circle. what is the measure of angle b? enter your answer in the box. m∠b= °4.)quadrilateral abcd is inscribed in this circle. what is the measure of angle a? enter your answer in the box.°5.) quadrilateral abcd is inscribed in this circle. what is the measure of angle c? enter your answer in the box.°

Determine the area of a triangle with (see picture below)