Answer:
<em>1:4</em>
Step-by-step explanation:
<u>Ratios and Fractions</u>
It's given 1/5 of the chocolates in a box contain nuts. The rest do not contain nuts. The portion that does not contain nuts is:

We need to calculate the ratio of the number of chocolates that contain nuts to the number of chocolates that do not contain nuts.
This can be done by dividing 1/5 by 4/5:

Operating:

Expressing it as a ratio: 1:4
Answer: 11.42
Step-by-step explanation: Pythagorean Theorem
Try Microsoft paint and use the subtraction method that you use in long division, that will hopefully be helpful.<span />
4 = 2(-3) + b
4 = -6 + b
10 = b
y = -3x + 10
To find out the circumference of a circle, you have to multiply the diameter of the circle with pi.(3.14)
First, to get the diameter of a circle you have to multiply the radius by 2.

The diameter is 20 centimeters.
Then, multiply the diameter by pi.(3.14)

The circumference is 62.8 centimeters.