Below are the graphs of three trigonometric functions. The variable x is measured in degrees, with 0<=x<=360. The amplitude "a" is a positive constant such that 0<a<=1

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

Meghan has created a diagram of her city with her house, school, store, and gym identified. a. how far is it from the gym to the store? b. meghan also wants to walk to get some exercise, rather than going to the gym. she decides to walk along arc ab. how far will she walk? round to 3 decimal places.