Could I get some help with these? Include explanation please <3 Thank you!

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

Using the information in the customer order, determine the length and width of the garden. enter the dimensions. length: feet width: feet

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /