Choose the simplified answer for this expression. 3m + 7 - 8 + 7m

A: 10m - 1
B: 4m + 15
C: 10m + 15
D: 4m + 8

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.

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

Consider the equation  y−2=3(x+2).which option correctly identifies the point and slope from the equation and also provides the graph that correctly represents the equation?