Answer:
1.75
Step-by-step explanation:
0.009÷0.004-
=
2.25-0.5=
1.75
The answer is D. because you use Pythagoreans theory and do 12^2+23^2 which equals 673, then you root it and get 26.
None of the above, 3<span>× 3 × 3 × 3 × 3 × 3 × 3= 2187, 7 x 3= 21, 7x7x7= 343, and 7+7+7 is 21.</span>
Answer: n=1/5
Hope this helps!