Find k so that the line through (-1,4) and (k, 7) is a) parallel to 4y - 3x = 7;
b) perpendicular to 3y + 2x = 1.
If the line is parallel to 4y - 3x = 7, then k =

2x - 20 = 32 20 - 3x = 8 6x - 8 = 16 -13 - 3x = -10

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.

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?