What is the factor form of 2x^2-25=0 and -4x^2+81=0

Lines p and q intersect. find the value of b. show your work. cite any theorems you use.

Asap the total attendance for all of a baseball league in 2012 was about 7.5×107 fans, while the attendance for the tornadoes in 2012 was about 1.5×106 fans. about how many times more was the attendance for the entire baseball league than the attendance for just the tornadoes? 50 times more 10 times more 2 times more 5 times more

Need solving this second acceleration problem.