You buy an item for $74.95, and the sales tax is 4.5%. You give the clerk four $20 bills. Figure the following amounts: -The amount of sales tax
-The total cost including tax
-The amount of change you should receive.
answer all of the above

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.