If mBY = 40°, what is the mZYAC?

F 140
G. 100
H. 70°
J. 80°

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Which graph represents the equation y =4x

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?