Find the midpoint between (20,10) and (16,-4) Find the midpoint between (-4,-12) and (-2,-2)

Find the midpoint between
(-5,6) and (3,-2)

Srry I’m asking a lot, but can u pls help me out and answer this

The perimeter of a triangle is 69 cm. the first is 5 cm shorter than the second side. the third side is twice as long the first side. find the length of each side

What numbers are included in the set of integers? what numbers are not included?

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?