What is the slope of any line that is perpendicular to the line 8x + 4y = 64? A. 1 / 2
B. -2
C. – 1/2
D. 2

15 POINTS

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.

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles