What is the vertex of the graph of y = x² + 4x?
O (-2, -12)
O (-2,-8)
O (-2,-6)
O (-2,-4)

Find the magnitude of the torque about p if an f = 80-lb force is applied as shown. (round your answer to the nearest whole number.) ft-lb

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

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.