Which set of side lengths does NOT make a triangle? 5 ft, 7 Ft, 11 Ft
3 m, 5 m, 6 m
4 yd, 7 yd, 7 yd
6 cm, 13 cm, 20 cm

1- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis.2- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in the first question?

Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth

The anwser cause i do not understand just plez