120% of a number is 45. find the number

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.

What other information do you need to prove triangle dac=bca by asa

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?