Here is a tree diagram showing the sample space for two independent events. What is the probability of getting a sum total of 15 or less when the two events are added together?

Asap 25 pts + brainlest to right/best answer

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.

At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.