Sigma Notation and the nth Term

Find the quotient. 50a2 – 98b2 -5a +7b

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

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.