What is 40 / 2 + 55 (20 - 44)

Plz hurry evaluate the expression a+b where a=8 and b=19

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.

Show all work to identify the discontinuity and zero of the function f of x equals 6 x over quantity x squared minus 36