complete me square 2 - 11 x = 0

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

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

How do i do this activity, is appreciated