On a coordinate grid, point P is at (2, 1) and point R is at (-6, -5). Points Q and S are a reflection of both points across the x-axis. What are the coordinates of Q and S?
O Q(2, -1), S(-6,5)
O Q(-2, 1), S(6,-5)
O Q(-2,-1), 5(6,5)
O Q(-2, 1), S(-6,5)

What is the value of the expression below? (81^2)^1/8

Ataxi company charges $2.25 for the first mile and then $0.20 per mile for each additional mile, or f = $2.25 + $0.20(m - 1) where f is the fare and m is the number of miles. if juan's taxi fare was $6.05, how many miles did he travel in the taxi? if juan's taxi fare was 7.65, how many miles did he travel in taxi

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?