Write the equation of a line that goes through the point (6, 3) and is perpendicular to the line y = 4x + 1. 1. y−3=4(x−6)
2. y−3=−1/4(x−6)
3. y−6=4(x−3)
4. y−6=−1/4(x−3)

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

14. (05.02 lc) what is the value of y in the solution to the following system of equations? (5 points) 2x + y = −4 5x + 3y = −6

The height of a plant, in inches, p years after planting it is given by the polynomial function r(p) = -2p% + 270p. find the height of the plant when p = 90 years.