Part a. what is the constant of variation if y=10 when x=2? part b. using the result of part a, write an equation for y in terms of x.
please help guys

Klein read 30 pages of a book on monday and 1/8 of the book on tuesday. he completed the remaining 1/4 of the book on wendesday. how many pages are there in the book?

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

Which expression is a perfect cube? a. x8 b. y24 c. m28 d. x64