21 is the answer.You distribute 6 into the parentheses and you substitute 3 for x so 6(3-1)+9= f(x)=18-6+9 you add all the like terms and the answer is 21
I believe you can do 1,245 divided by 65 to find out how many puzzles they can buy I may be wrong :/
<span>A
scale factor is the ratio of two similar geometric figures of their
corresponding sides. The scale factor is calculated by locating the
corresponding sides on each figure. We do as follows:
256/x = 4/9
x = 576 m^2
side length = 24 m
Hope this answers the question. Have a nice day. </span>