Ms. Mark records the number of words each typist can type in one minute. How many more words could the fasted type in 30 minutes than the slowest typist use place value

Anne is twice as old as bill, and bill is 3 years older than christie. the sum of anne s and christie s ages equal 72. find their age difference.?

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

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.