You are given the system of equations to solve by the elimination method, which is an INCORRECT step that will NOT produce a
system with the same solution?
5x + 4y = 4
3x + 6y - 12

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.

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2

Over the last 4 seconds, a snail has traveled 4/9 of an inch. if the snail traveled the same distance each second, how far did it travel each second?