60 points and brainliest answer all the question

3. a circle has a diameter of 10 meters.

a. what is the circumference of the circle?

b. what is the radius of the circle?

c. what is the area of the circle?

Chemistry balance then what type of reaction are they i don't know why it keeps saying math when i put chem

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

(05.03 mc) part a: explain why the x-coordinates of the points where the graphs of the equations y = 4x and y = 2x−2 intersect are the solutions of the equation 4x = 2x−2. (4 points) part b: make tables to find the solution to 4x = 2x−2. take the integer values of x between −3 and 3. (4 points) part c: how can you solve the equation 4x = 2x−2 graphically? (2 points)