The diameter of a circle is 6.4 in. What is the approximate area of the circle? Use 3.14 for π . 20.096 in² 32.154 in² 128.614 in² I don't know. Help? 40 points if answer correct!!

You can model the population of a certain city between 1955-2000 by the radical function p(x)=55,000 sqrt x-1945. using this model, in which year was the population of that city 220,000

Which value would be a solution for x in the inequality 47-4x< 7

Ineed with angles and the measure of them i have abc a is 65 and b is (3x-10) and c is (2x) find the value of x