What is the domain of 0.0008x^5-0.0054x^4-0.1588x^3+1.069 1x^2+4.7635x-26.4458

The area of a rectangle is 54x^9y^8 square yards.if the length of the rectangle is 6x^3y^4 yards,which expression represents the width of the rectangle in yards

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?

What is the least common multiple for 6 and 8? what is the least common multiple for 4 and 12 ? what is the least common multiple for 11 and 12? what is the least common multiple for 3 and 6?