Answer:
Step-by-step explanation:
A
B -13 -34i
(7 + 2i)(-3 - 4i)
Take the 7 then times it buy the second bracket 7x(-3-4i) then take 2i from the first bracket and times it with the second bracket 2ix (-3-4i)
Then keep simplifying
Answer:
B
Step-by-step explanation:
The sum of the interior angles of a polygon is
sum = (n - 2) × 180° ← n is the number of sides
1/4 converted into a decimal is .25
20÷.25=80
the answer is 80
Answer:
Hello!
1 on the left in vertical and 1 on the right is adjacent hope that helps.