-7 = t + 10

I need the awnser soon I am about to have to turn this in help me

Find the greatest common factor of the polynomial: 10x^5+15x^4-25x^3 10x^5 x^3 5x^3 5

Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?

Use the quadratic function to predict f(x) if x equals 8. f(x) = 25x2 − 28x + 585