Can someone help me with questions 20,21 and 23

The box plot shows the number of raisins found in sample boxes from brand c and from brand d. each box weighs the same. what could you infer by comparing the range of the data for each brand? a) a box of raisins from either brand has about 28 raisins. b) the number of raisins in boxes from brand c varies more than boxes from brand d. c) the number of raisins in boxes from brand d varies more than boxes from brand c. d) the number of raisins in boxes from either brand varies about the same.

The square root of 9x plus 7 plus the square rot of 2x equall to 7

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?