Which is the vertex of f(x)=|x+8|-3

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

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.