The sixth grade went to the museum for a field trip. There are 75 students in the sixth grade, and 21 students did not
go. What percentage of students did not go on the field trip?
o 12%
o 28%
o 50%
O 65%

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.

What is the binomial expansion of (2x-3)^5

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?