What is the value of this expression when c= -4 and d = 10? (c+d2)
O A.
2.
OB.
9
Ос.
21
OD. 41

Step-by-step explanation:

Given

Required

Find

To find , we simply substitute 10 for d and -4 for c in the given expression.

The step is as follows:

Substitute

The expression cannot be solved any further; so, we can conclude that when d = 10 and c = -4,

the battle of gettysburg is considered the "high water mark" of the confederacy because it marked the greatest advance of the confederate forces against the union.