Show work find the volume round to the nearest tenth

Aline passes through the point (2, -4) and has a slope of 0, what is the equation of the line? plz fast

You're locked out of your house. the only open window is on the second floor, 25 feet above the ground. there are bushes along the edge of the house, so you will need to place the ladder 10 feet from the house. what length ladder do you need to reach the window?

The product of sin 30 degrees and sin 60 degrees is same as the product of