The following data shows the number of days prom tickets have been on sale and the total number of tickets sold. what is the linear regression equation to match the data? day (x) 1 2 5 7 10 number of prom tickets sold (y) 30 35 55 60 70

Iwill give you ! what is the measure of ∠v ?

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.