Please help me out on these. ASAP I will mark you as brainliest if you do and if your answers are right :))

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.

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.

Charlie tosses five coins.what is the probability that all five coins will land tails up.