How many real solutions does each equation have? Enter "0", "1", or "2".

8x2 – 10x + 15 = 0

2x2 – 8x – 1 = 0

–x2 + 12x – 36 = 0

The sum of two numbers is 12 and their difference is 18 what are the two numbers

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12