Answer:
The answer is D
Step-by-step explanation:
You use base times height 
1/2bh 
=1/2(2x+5)(4x)
 
        
             
        
        
        
Answer:
5 and 4
Step-by-step explanation:
So if, x equals 2 then all you do is turn the x into a 2.
So you rewrite the equation into,
2 + 3 and 2 x 2,
Which would be 5 and 4 
Hope this helps!
 
        
             
        
        
        
Answer:
Step-by-step explanation:
in complex number land there are two distict parts real.. the first number and imaginary.. the second number with the i 
if your problem really only has a 7 and an i in it.. then it looks like below
7 * i  = 7i
but..I suspect you just left out a bit of the problem.. repost .. i'll answer it again if the problem is different that what you posted already  :)