In Mr. Martin’s class, there are 16 students who are 12-years old and 8 students who are 13-years old. What is the unit rate of 12-year olds to 13-year olds?

Find the length of the following tangent segments to the circles centered at o and o' whose radii are 5 and 3 respectively and the distance between o and o' is 12. what is the tangent segment of cd?

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?