The union of sets Q and R is the set of all elements that belong to either Q or R or both Select one
True
False​

To determine the number of deer in a forest a forest ranger tags 280 and releases them back

Answer for 10 points show work you guys in advanced < 3

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how