3. A sequence is defined by the formula u1= -12, Un+1 = Un +7, n > 1. a. Prove that the sequence is arithmetic. b. Find the 200th term of the sequence. c. Is 1000 a member of the sequence?​

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box

Agroup of randomly selected apple valley high school students were asked to pick their favorite gym class. the table below shows the results of the survey. there are 528 students at apple valley high school. gym class number of students racquet sports 1 team sports 9 track and field 17 bowling 13 based on the data, what is the most reasonable estimate for the number of students at apple valley high school whose favorite gym class is bowling? choose 1 answer a. 9 b. 13 c. 119 d. 172

The holiday party will cost $160 if 8 people attend.if there are 40 people who attend the party, how much will the holiday party cost