Math
becky charges $10/hour per child and $3.50/hour per pet to babysit. the boonies want her to babysit their 3 children, two dogs, and one cat for 3 hours while they go to dinner and the movies. how much will becky earn at the end of the night?

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

Convert 50 kilogram to pounds. (the conversion factor from kilogram to pound is 2.2046.) a. 52.2 lb. b. 110.2 lb. c. 22.6 lb. d. 47.8 lb.

The table below represents the displacement of a fish from its reef as a function of time: time (hours) x displacement from reef (feet) y 0 4 1 64 2 124 3 184 4 244 part a: what is the y-intercept of the function, and what does this tell you about the fish? (4 points) part b: calculate the average rate of change of the function represented by the table between x = 1 to x = 3 hours, and tell what the average rate represents. (4 points) part c: what would be the domain of the function if the fish continued to swim at this rate until it traveled 724 feet from the reef? (2 points)