Hallar la ecuación de la recta que pasa por el punto de intersección de las rectas 3x- 2y+10 = 0 y 4x +3y -7=0 y por el punto (2,1)

What properties allow transformation to be used as a problem solving tool

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.