I neeed helpp please Olivia wrapped a string around a circle and found it was 30 mm long.

Approximately, what is the radius of this circle?
r = 4.77 mm
r = 7.5 mm
r = 9.55 mm
r = 15 mm

How do you summarize data in a two-way frequency table?

Aportion of a hiking trail slopes downward at about an 84° angle. to the nearest tenth of a flot, what is the value of x, the distance the hiker traveled along the path, if he has traveled a horizontal distance of 120 feet? a. 143.3 b. 12.5 c. 120.7 d. 130.2

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.