The ratios a: b and b: c are equivalent to one another select all the statements that must be true 1. a=c 2. 3. b-a=c-b 4. a 5. if a=b, then b=c i think #2 is correct ,but i don't know about the others

Add the fractions and simplify 1/2+ 1/3

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.

Afair die is cast four times. calculate the probability of obtaining exactly two 6's round to the nearest tenth of a percent