Grant mows lawns for extra money. He mows 9 lawns in 9 hours on Wednesday and 6 lawns In 6 hours on Saturday. What is the constant of proportionality that relates the total number of lawns mowed, y, to the number of hours mowing lawns, x?

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

1.based of the diagrams what is the the value of x? 2.how would you verify your answer for x

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z