A6ft vertical post casts a 16-in shadow at the same time a nearby cell phone tower casts a 118-It shadow. How tall is the cell phone tower? The cell phone tower's height is A.
(Simplify your answer.)

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

9/10 divide by -3/15 as a mixed number