Most action figure toys are made in a 1: 6 ratio. if the action figure is 12.5 inches tall how tall is the person the figure is based on?

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.  

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?