The expresion quotient of twenty divided by four more than one

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

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°?

Will give brainliest immeadeately true or false: the origin woud be included in the solution set for the inequality: y< 2x-5