The ratio of boys to girls in the 9th grade is 5 to 6. there are 312 girls. set up a proportion to model this information.

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?

Mario is constructing a frame for 10 in. by 8 in. photo. he wants the frame to be the same with all the way around in the same area of the frame and photo to be 120 square inches what is the dimension of the frame?

The figure shows the front side of a metal desk in the shape of a trapezoid. what is the area of this trapezoid? 10 ft²16 ft²32 ft²61 ft²