Find the surface area using the net. Help I need the steps if possible :(

Each morning papa notes the birds feeding on his bird feeder. so far this month he has see. 59 blue jays, 68 black crows, 12 red robin's and 1 cardinal. what is the probability of a blue jay being the next bird papa sees

The sum of two numbers is 86, and their difference is 20. find the two numbers

Write an equation in point-slope form for the line through the given point that has the given slope (-2,-7); m=-3/2