what would be your grade if you had a 85 and made a 53 on a quiz and a quiz is worth 30 percent of your grade

Gabriel paints flower pots to sell at a craft fair. she paints 2/5 of a flower pot teal, 1/4 of it yellow, and the rest of it white. what fraction of the pot is painted either teal or yellow?

One expression below in undefined, and the other expression has a well defined value. which expression is undefined and explain why it has no value. which expression is defined? what is the value of that expression and how do you know? what is a different expression using a trig inverse function that is also undefined?

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?