Subtract 8 y^2 − 5 y + 7 from 2 y^2 + 7 y + 1 1

the answer is: −6y ^2 +12y+4

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?

An arithmetic series a consists of consecutive integers that are multiples of 4 what is the sum of the first 9 terms of this sequence if the first term is 0