When 2/3 tons of coal cost $13.50, what will in ton cost?

Find the values of y: 3y^3(y^2+ 2/3y)=0

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.

Find the missing dimension extra points