1) Find the fourth angle.
93°
89°

7x+8y=-18, 4x-9y=-3 solve the system of equations

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.

Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.