The spelling contest awards four prizes tim, sam, jen, and kate all made it to the final round. in how many ways can first, second, third, and fourth place be assigned

Which expression is equivalent to 2x^2+7x+4?

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.

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?