What if t=400 miles/70 miles per hour what will be my time be

The mathematical expression 9€ t means

Write the rational number in lowest terms 99/-15

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.