Lowest multiple of 7 which is greater then 60

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

Find the distance from the theater to the library. leave your answer in simplest radical form if necessary. 12 √12 74 √74

In the diagram below, abc is congruent to dec what is the value of x