Which of the following is the best estimate of the area of the irregular shape?

When a formula is solved for a particular variable, several different equivalent forms may be possible. if we solved a=1/2bh for h, one possible correct answer is h=2a/b . which one of the following is not equivalent to this? a. h= 2(a/b) b. h= 2a(1/b) c. h= a/1/2b d. h= 1/2a/b

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

What is the value of x? enter your answer in the box. x =