11. A hammer is dropped from a 40-foot scaffold. Another one is dropped from a 60-foot scaffold. a. Write the two height functions and compare their graphs. Use h(t) = - 16t^2 + C,
where is the height of the scaffold.
b. Use the graphs to estimate when each hammer will reach the ground.

Find the required measurements of the following trapezoids. a = 8 cm b = 16 cm h = 10 cm

You are cycling around europe with friends. a cycling festival is starting soon in barcelona. it will take 4.5 hours to cycle there. how many minutes in total is this?

Will mark determine whether the conjecture is true or false. give a counterexample for any false conjecture. given: points r, s, and t conjecture: r, s, and t are coplanar. a) false; the points do not have to be in a straight line. b) true c) false; the points to not have to form right angles. d) false; one point may not be between the other two.