What is the slope of the line tangent to the graph of y = (9x^2)/(x+2) at x = 1 ?

Write the expression 7x^3-28xy^2 as the product of 3 factors

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square