Write an explicit formula for the sequence. Use the formula to find the eighth term in the sequence. arithmetic: A(1) = 9, d = −3

1: A(n)=9+(n−1)(−3);−12

2: A(n)=9n+3n; 25

3 A(n)=9n−3;69

4: A(n)=9−3n; −15

The average hourly earnings for a construction worker is projected to be $24.50 in 2012. jason wants to join the construction work force after he graduates in 2012. his friend tells him that average hourly earnings for construction workers will rise by 2% from 2009 to 2012. based on the data below, assuming that the projected hourly earnings are correct, is jason’s friend’s statement accurate? construction industry - average hourly earnings, 2000-2009 a. his friend’s statement is accurate. the average hourly earnings will increase by 2%. b. his friend’s statement is not accurate. the percent increase will be more than 2% c. his friend’s statement is not accurate. the percent increase will be less than 2% d. his friend’s statement is not accurate. the average hourly earnings will decrease

Which of the following expressions is equal to 2x^2+8

Me. i can't figure out this question. give an explanation too. .