(Volume/capacity words problems) Everyday I drink 0.75 gallons of milk. how many liters of milk do I drink in 4 weeks

It says factor each expression 49x-28?

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.

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.