12.5 is the answer this is actually really easy I miss Beginning Algebra
B. Eight hundred six thousand five hundred ten
C.800,000+ 6,000+ 500+ 10
Answer:
slope : -1, y-intercept : 13
Step-by-step explanation:
-x = -1 times x
+13 = 13 = y-intercept
"The length of a rectangle is 5/2 units greater than its width"
'greater' here means multiplication, 5/2 units greater or 5/2 times more. So we know that the length is

.
Perimeter of a rectangle is:

Plug in our value for the length: