Can someone give the answer for the number pattern, i am struggling.

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

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c

Which equation shows the variable terms isolated on one side and the constant terms isolated on the other side for the equation -1/2x+3=4-1/4x? a. -1/4x=1 b. -3/4x=1 c. 7=1/4x d. 7=3/4x