Marcella has  6  fewer male cousins than female cousins. let  f represent the number of female cousins. write an expression for the number of boy cousins.

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.

Which inequality has a dashed boundary line when graphed ?

Bob the builder is making 480kg of cement mix. this is made by cement, sand and gravel in the ratio 1: 3: 4