Simplify the expression. [(-1)^3/(-3)^-3]^2

Agrain trader buys the following amounts from three suppliers: 3,200 pounds, 5,100 pounds and 700 pounds. what is the total weight of his purchase?

Awall map has a scale of 128 miles = 6 inches. the distance between springfield and lakeview is 2 feet on the map. what is the actual distance between springfield and lakeview? 384 miles 512 miles 1.13 miles 42.7 miles

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?