Hi, can I please have some help with these questions please?

8. The size of a population, P, of toads t years after they are introduced into a wetland is given by 1000 P = 1 + 49 a. How many toads are there in year t = 0? t = 10? b. How long does it take for the toad population to reach 500? c. What is the maximum number of toads that the wetland can support? 9. Mark the 80 on the unit circle and find the coordinates of the point determined by 80.12. Find the exact coordinates of the point at 45\" en a circle of radius '1' centered at the origin. 14. What is the length of an are out oil'i'b}:r an angle of 2 radians on a circle of radius 3 inches'iI 15. How far does the tip of a minute hand of a clock move in 35 minutes if the hand is 6 inches long? 16. A spy.r pushes a thumbtack into the bicycle tire of his enemy. The wheel has a diameter of 1'41] ruin. When the bike begins to roll, the tack is at an angle of H = U\