These answers are wrong please help

Jon Assignment: Solving Rational Equations Solve the following rational functions by any method. Check your solutions, especially for extraneous solutions. 1. t - 4 +1 = |= 82-4 1 20 . + 1+ 2 t+ 2 3 3. 2 - 10 2t + 1 +- 615 1 1 5 4. t - 2 t+ 3 1 2 +1 - 6 + 2 3t 1 5. 7-2 + t + 2 = 12 -4 - - 3 6. 7-2 3t-1 + 3= 7-2 43 7/5 2t 12 - 5t 7. +=-5 5 5t 8. +2 + 2t+ 2 2t + 3 t - 1 t - 1 9. A greeting card company can produce a box of cards for $7.50. If the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50? cost of one Card=7:10 number of boxs can prove Initial investment= 50.000 2 4762 Lands 10. The braking distance of a car can be modeled by a = S + - where d is the distance (in feet) that the car travels before coming to a stop, and $ is the speed at which the car is traveling (in miles per hour). Find the speed that results in a braking distance of 90 feet. - 5 # 5V37