What is the circumference of the circle in terms of pi? the radius is 2.2 and i got 13.82 but the choices are 1.1, 1.21, 2.2 and 4.4 im so confused so could someone explain what i did wrong?

What is the length and width of a 84.5 square foot rug? will mark

Suppose that the function f is defined. , for all real numbers, as follows. _ \ 1/4x² -4 if x≠ -2 f(x)=< /_-1 if x=-2 find f(-5), f(-2), and f(4)

Two farmers pay a total rent of $140 for a pasture. the first farmer placed $4 oxen in the pasture, and the second farmer placed $30 sheep in the pasture. the farmers split the rent based on the proportion of the pasture eaten by their own animals that month. how much should the first farmer pay, if 1 ox eats as much as 10 sheep in a month?