3,2,1 is the order from first to last
You can find the measure of any of the three sides, by knowing the measure of one side in the triangle. The hypotenuse is equal to twice the length of the shorter leg, which is the side across from the 30 degree angle.
If it is a true or false the its true
The answer is B. I believe that this is the answer because the barnacle is benefiting from the gray whale without harming, or affecting it in the process.