What is the mean of the data set shown 68 70 72 74 76 78 80 82 84 86 88 90 92

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have

Robin spent 25% more time on his research project than he had planned he’s been an extra h ours on the project which of the following expressions could represent the number of hours rob actually spent on the project