Answer:
3x +2
Step-by-step explanation:
(x - 1) + (2x + 3)
Combine like terms
x+2x -1 +3
3x +2
It is 50. Divide 32 by 72, then multiply the answer by 100
Answer:
(D) 400
Step-by-step explanation:
It is given that The distance from Earth to the moon is 2.39 × 105 miles, and the distance from Earth to Mercury is 9.2 × 107 miles. Then,
Distance from Earth to Mercury compared to the distance from Earth to the moon is given by:

=
=
≈400.
therefore, option D is correct.