Aperson is 185 cm tall and casts a shadow 145 cm long. a nearby tree casts a shadow which is 212 cm long. find the height of the tree in cm.

Evaluate the given expression if m=45 |-3m|

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.