Which expressions are equivalent to 4^-3/4^-1

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

When you are making a circle graph by hand, how do you convert a number for a part into its corresponding angle measure in the circle graph? when you are making a circle graph by hand, what should you do if one of your angle measures is greater than 180°?

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab