If the exchange for 1 u. s dollar is 1.5 canadian dollars, how many u. s dollars will margie get for 81 canadian dollars?

Match each statement with its corresponding value for the system below: y = -2(3)x and y = 9x - 2 1. the number of points of intersection. -2 2. the x-coordinate of the solution. 1 3. the y-coordinate of the solution. 0

What are the sotions to the quadratic equation 9x^2=4

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5