You could say 8r+2 times s +4 or –5x2y4
No. i*i = -1
2i*3i=-6
now if they meant complex numbers the answer is still no
(2+4i)(2-4i) = 4-8i+8i-16 = -12
Answer:
r=40% or .4
Step-by-step explanation:
32=16(1+r)^2
Answer:

Step-by-step explanation:
All the angles in a triangle add up to 
Every right angle triangle has a right angle in it which is 
So to find the remaining angle, you do
-
-
= 
Answer:
3,240
Step-by-step explanation: