4. Five students from the 90 students in your class not running for class
president will be selected to count the ballots for the vote for class
president. In how many ways can the 5 students be selected?

14 pointslet x be the seats in the small van and y the seats in the large van. how many seats does the large van have? a company uses two vans to transport worker from a free parking lot to the workplace between 7: 00 and 9: 00a.m. one van has 9 more seats than the other. the smaller van makes two trips every morning while the larger one makes only one trip. the two vans can transport 69 people, maximum.how many seats does the larger van have?

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

M.xyz =radians. covert this radian measure to its equivalent measure in degrees.