The Spinner Bike Shop was having a 40% off storewide going out of business sale. Ted wanted to purchase a mountain bike that had an original price of $229. What was the sale price of the mountain bike after the discount was applied? ​

Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions.a.  x2  − 4x  − 7 = 0b. 4r2  + 11r  − 3 = 0c. 3m2  + 7 = 0d.  t2  + 2t  + 1 = 0

Can someone me with my math problems i have a bunch. i will give brainliest and lots of pleeeaaasssee

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?