There are 16 girls and 20 boys in the school band what is the ratio in the simplest form of girls to boys ?

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of

Geometry - finding area of regular polygons and sectors (check my math, i can’t find the error)

⦁plzzz me asap worth 30 points. part b: find the area of just the wood portion of the frame. this is called a composite figure. explain and show your work.