A girl flies a kite at a constant height of 300ft, the wind carrying the kite horizontally away from her at a rate of 25 ft/sec. How fast must she let out the string when she has let out 500 feet of string

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 does x = in this equation x+3+2x=x+5

Select the correct answer from each drop-down menu. consider the following polynomials equations. 3x^2(x-1) and -3x^3+ 4x^2-2x+1 perform each operation and determine if the result is a polynomial. is the result of a + b a polynomial? yes or no is the result of a - b a polynomial? yes or no is the result of a · b a polynomial? yes or no