See So I how would I find the hight of the building? Soli mik

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?