9/10. make the bottom numbers the same to add fractions. you can do that by multiplying 7/10 by 10/10.
70/100 + 20/100 = 90/100
90/100 = 9/10
you can also reduce 20/100 to 2/10.
7/10 + 2/10 = 9/10
24 + 4 = 28
14 • 2 = 28
11 • 2.57 = about 28
Hope this helps a little!
Answer:
I think I know all of them it is quadrilateral which means 4 and parallelogram I don't think it can be a rectangle because it's not straight not a rhombus or a square.