If m is the midpoint of ln, the coordinate of m is 4, and the coordinate of n is 9, then the coordinate of l is?

20 points! asap! a is known to be 6,500 feet above sea level; ab = 600 feet. the angle at a looking up at p is 20°. the angle at b looking up at p is 35°. how far above sea level is the peak p? find the height of the mountain peak to the nearest foot. height above sea level =

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)