A car travels along a hill inclined 12 with the horizontal for a distance of 1200 feet. What is the horizontal distance traveled by the car during this time

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.

Find the value of x for which the lines are parallel.

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?