(a) 18 es 45% de qué número? % (b) ¿Cuánto es 85% de 60?​

Write a corresponding real world problem to represent 2x - 125=400

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?

From the top of a tree a bird looks down on a field mouse at an angle of depression of 50°. if the field mouse is 40 meters from the base of the tree, find the vertical distance from the ground to the bird's eyes.