Please help fast

Factor completely and show your work: 9x^2 + 3xy - 3x - y

Factor and show your work: 4y^2 - 25

20 points! asap! a is known to be 6,500 feet above sea level; ab = 600 feet. the angle at a looking up at p is 20°. the angle at b looking up at p is 35°. how far above sea level is the peak p? find the height of the mountain peak to the nearest foot. height above sea level =

Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25

Does anyone know how to do geometryme with this problem