Alan’s online test has 10 true-false questions and 5 multiple-choice questions. each multiple-choice question has 4 different answer choices. how many different choices for answering the 15 questions are possible?

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.

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.

What is negative 3/9 times negative 2/8 ?