What is the measure of an angle that is complementary to a 47 angle

The volume of the sun is approximately 1 × 10^18 cu km, while the volume of jupiter is approximately 1 × 10^15 cu km. which of the following is true? a. the volume of jupiter is approximately one thousand times the volume of the sun. b. the volume of jupiter is approximately one hundred times the volume of the sun. c. the volume of the sun is approximately one thousand times the volume of jupiter. d. the volume of the sun is approximately one hundred times the volume of jupiter.

Idon't get undoing if its pass adding and subtracting so can someone ? x-2 over 5 = 18

The triangles are similar. what is the value of x? enter your answer in the box.