A quarter of the learners in a class have blond hair and two thirds of the learners have brown hair. The rest of the learners have black hair. How many of the learners are there in the class if 9 of them have blond hair?

Explain how you divide powers with like bases. discuss why the bases have to be the same. how are these rules similar to the rules for multiplying powers with like bases.

Askateboard ramp is in the shape of a right triangle what is the height of the ramp

Aflagpole broke in a storm. it was originally 8 1 81 feet tall. 2 8 28 feet are still sticking straight out of the ground, where it snapped, but the remaining piece has hinged over and touches the ground some distance away. how far away is the end of the pole from the base of the pole along the ground?