The end points of line segment ab are a(3, -12) and b(6, k) what is the value of k if the slope of a line segment is -2? show your work.

Arectangle with an area of 47 m² is dilated by a factor of 7. what is the area of the dilated rectangle? enter your answer in the box. do not leave your answer as a fraction.

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

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?