May i please get some assistance with this multiple choice question ? Thanks

Question 1 A horse is running across a field. The horse accelerates at 3.00 m/s over a distance of 7.90 m. It runs until its speed is 20.2 m/s and continues at this speed. What was the horse's initial speed? O 1.17 m/s O 20.2 m/s O 19.0 m/s O 21.3 m/s Question 2 A clay plate at a shooting range is launched straight up into the air from a device 2.00 m above the ground. After 1.00 s the clay plate is pulverized at a height of 23.0 m. What initial speed was the clay plate launched upward? O 16.1 m/s O 25.9 m/s O 9.80 m/s O 21.0 m/sQuestion 3 A small child is climbing up a slide angled at 24.0' above the horizontal. They only make it 0.200 m up the slide before they give up, stop, and then slide back down. When the child reaches the bottom of the slide how fast will they be going? O 1.26 m/s 1.89 m/s O 1.98 m/s O 0.514 m/S