The students at a school are voting on their favorite type of music. Charles surveys a representative sample of students to determine for which type of music each student will vote. The results are in the table below. STUDENT VOTES
Type of Music Number of Votes
Hip Hop 21
Jazz 15
Classic Rock 9
Punk 6
Charles thinks that if all 850 students vote, 355 students will vote for jazz.

By how many students is his prediction off?

Enter your answer in the box.

The graph below shows the price of different numbers of mats at a store: a graph is shown. the values on the x axis are 0, 2, 4, 6, 8, 10. the values on the y axis are 0, 21, 42, 63, 84, and 105. points are shown on ordered pairs 0, 0 and 2, 21 and 4, 42 and 6, 63 and 8, 84. these points are connected by a line. the label on the x axis is number of mats. the title on the y axis is price in dollars. which equation can be used to determine p, the cost of b mats?

Add or subtract polynomial : –12qr? +13rq?

Aiden drives to school and back each day. the school is 16 miles from his home. he averages 40 miles per hour on his way to school. if his trip takes 1 hour, at approximately what speed does aiden drive home?