Noah mows lawns for $6.15 per hour. he also babysits for 7.65 an hour. last weekend he mowed lawns and babysat and earned a total of $50.28.noah mowed lawns for 4/5 the number of hours that he babysat. a. write and solve an equation for the situation. be sure to define your variables (s)

Simplify the expression. -2/5(10+15m-20n)

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

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.