I need help on number 2 , 3 and 4

Using the figure below, select the two pairs of alternate interior angles.a: point 1 and point 4 b : point 2 and point 3 c: point 6 and point 6d: point 5 and point 7

Is a square always, sometimes, or never a parallelogram

Look at the long division problem shown on the right. complete the division to determine what the remainder will be. what is the remainder? –10 –7 7 10 dividing polynomials with a remainder