Which is an equation of a direct proportion? CLEAR CHECK

y=−2x

y=12x−2

y=−2x+3

y=4x

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

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.

The triangles in the diagram are congruent. if mzf = 40°, mza = 80°, and mzg = 60°, what is mzb?