Question 5 of 20 What is the explicit formula for this sequence?
-9, -3,3, 9, 15, ...
O A. an = (-9) + (n - 1)(-6)
O B. an = (-9) + (n - 1)6
O C. an = 6 + (n - 1)(-9)
O D. an = 21 + (n - 196

Brent wants to know what is 5 x 1/2

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )