Answer:

Step-by-step explanation:
Given



Required
Find r
From the question, we understand that G is a point between D and M:
This implies that:

Substitute values for DM, DG and GM

Collect Like Terms


Solve for r


Answer:
C) 26
Simplify using the FOIL method--used to multiply binomials--and then combine real and imaginary parts of the problem.
5 × 5 = 25 + positive 1(i) = 26
-7(-1) - 2 (2)^3 + 1(-3)
7 - 2(8) -3
7 - 15 - 3
-8 -3
-11
The answer ia -11.
3 symbols. Because 18 divided by 6 is 3.