1. If a 650 cm ladder is placed against a building at a certain angle, it just reaches a point on the building that is 520 cm above the ground. If the ladder is moved to reach a point 80 cm
higher up, how much closer will the foot of the ladder be to the building?
cm closer

At which value in the domain does f(x) =0?

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?