What is the answer to -4 x ( -6 )

The graph shows the distance y, in inches, a pendulum moves to the right (positive displacement) and to the left (negative displacement), for a given number of seconds x. how many seconds are required for the pendulum to move from its resting position and return? enter your answer in the box.

Given δjkl : δxyz, find x. a)10 b)12 c)16 d)20

V=x^4-y^4 pick three expressions that can represent the three dimensions of the prism (each in meters)