Add fractions with unlike denominators

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

Which elements in the set below are integers? 12, –3⁄4,√ 25 , –7, √ 5 , 14⁄7, 9 a. 12, √ 25 , –7, 9 b. 12, √ 25 , –7, 14⁄7, 9 c. –3⁄4, 25 , √ 5 ,14⁄7 d. 12, –7, 9

On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?