when heated an iron bar expands by 0.02% . if the increase in length increase is 1cm, what is original length of the bar?

If f(x) = 2x + 2 and g(x) = x? , what is (gºf)(2)?

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

What other information do you need to prove triangle dac=bca by asa