The proportion of boys students and girls students in a school is 2: 1 . now if the total number of students is 510 then know the number of girls.

The factorization of 8x3 -125 is (2x-5)(jx2 +kx+25)

An angle that measures between 90 and 180° is called a(,

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.