What is the circumference of a circle if the radius of the circle is 2.2 in terms of pi? a) 1.1 pi b) 1.21 pi c) 2.2 pi d) 4.4 pi

Why is the area of a circle of radius r is πr2?

If the area of a circle is 290 square inches, what is the radius?

Insert V,>, or=to make the sentence true sqrt 3 sqrt7

Rewrite the following in the form log (c). log (6) - log (2)

What is the next value 4 D 7 G 10 J 13

Jeffrey spent 2/3 hour on his homework how many minutes did he spend on home work

Sum of 7x times 7 + 3x+1 and - 4x times 4-x+3

2. If y (x-1) = z then x=

John (whose line of sight is g ft above horizontal) is trying to estimate the height of a tall oak tree. He first measures the angle of elevation from where he is standing as 30 degrees.

Question: Carbon-11 has a half-life of about 20 minutes. If we start with 200 grams, how much will be left after 3 hours? A. 25 grams B. 2.5 grams C. 0.39 grams D. 0.039 grams