Please help!! Equations and graphs Pleasee

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.

Two triangles can be formed with the given information. use the law of sines to solve the triangles. b = 49°, a = 16, b = 14

Mis the midpoint of rq if rm equals 2x + 5 and mq equals 4x - 9 what is the length of rq