Alan is 14 years old. this is twice as old as his brother james is. how old is james?

Abcd is a parallelogram. the diagram is not drawn to scale. if m

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?

Askateboard ramp is in the shape of a right triangle what is the height of the ramp