Which of the following trigonometric ratios are correct?

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

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

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?