10+10 = ?
This is just for a free 100 points!

What’s the range cuz i can’t find it?

Which angle of rotation is an angle of rotational symmetry for all figures?

Isabelle is mixing red and blue paint to make purple paint she adds 3/10 of a fluid ounce of red to 12/25 of a fluid ounce of blue to make 1 1/30 fluid ounces of purple how many fluid ounces of red paint ounces of red paint will she need to make 3 fluid ounces of purple paint