The answer is 4pi because the formula to find the circumference is C = 2 pi r. this question is asking for the terms of pi which means you remove the pi from the formula and solve it with out it. the radius is 2 because of the 2 units on the graph is halfway of the circle. you would just multiply 2 x 2 and get 4. after that you put the pi on the end of the 4. so the answer is C. (4pi)
1 euro = 1.35261 USD
The Ruiz family will be able to exchange their euros for US dollar using the rate of $1.35 per 1 euro.
First you have to find the square root of 90 which is about 9.5
now multiply, divide, add, or subtract 5 from 9.5 to get your answer.
I think the answer should be False! Because the induction it is not kind of thinking with using their specific answers from the general rule.
Hope it helped!
(167.64 cm) · (1 inch / 2.54 cm)
= (167.64 · 1 / 2.54) inches
= 66.0 inches