If b is the midpoint of ac and ac =8x-20 find x

What is the equation in point slope form of the line that passes through the point (-1, -3) and has a slope of 4? y-1=4(x-3) or y+3=4(x+1)

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.