Elige los números que formen parte del conjunto Z: –6 4 3,2 0
28 7/9 13 –52
+15 1,2 –12 1/2

Acable car begins its trip by moving up a hill. as it moves up, it gains elevation at a constant rate of 50 feet/minute until it reaches the peak at 2,000 feet. then, as the car moves down to the hill’s base, its elevation drops at the same rate.

Which of the binomials below is a factor of this exression? 16x^2+40xy+25y^2 a.4x-5y b. 2x-5y c.4x+5y d.2x+5y

Can you divide 25 into 4 equal groups? explain why or why not.