The diagram shows 3 identical circles inside a rectangle. Each circle touches the other two circles and the sides of a rectangle, as shown in the diagram.
The radius of each circle is 2mm.
Give your answer in the form a√3 + b
Where a and b are integers.

Jonathan pays $1.90 per pound for potatoes. he buys 8.3 pounds of potatoes. he determines that he will pay $15.77, before tax, for the potatoes. which best describes the reasonableness of jonathan’s solution? jonathan’s answer is reasonable because there are two decimal places in the factors and two in the product. jonathan’s answer is unreasonable because there are three decimal places in the factors and two in the product. jonathan’s answer is reasonable because is 16, and 16 is close to 15.77. jonathan’s answer is unreasonable because is 8, and 8 is not very close to 15.77.

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.