8. (05.06 LC) What is the graph of the function f(x) = -X² + x + 20 ? (6 points) X + 4 у 8 7 5 3 (-4, 1 2. Х -9-8-7-7-5-4-3-2-1 1 2 3 4 -3 HY

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

()1. how do you find range? 2.the following set of data is to be organized into a histogram. if there are to be five intervals on the graph, what should the length of each interval be? 30, 34, 23, 21, 27, 25, 29, 29, 25, 23, 32, 31

Acone with volume 1350 m³ is dilated by a scale factor of 1/3. what is the volume of the resulting cone? enter your answer in the box. m³