Answer:
3rd one
Step-by-step explanation:
<u><em>Division and Multiplication.</em></u>
<u><em>Division is to check.SO multiplication is the correct answer.</em></u>
Answer:
b, d
Step-by-step explanation:


P.S. Hello from Russia
Answer:
the upper limit of the third class interval
= d. 19
Step-by-step explanation:
third class interval
=16 - 19
Complex conjugate: -8-5i
product:
(-8+5i)(-8-5i)= 64 + 40i - 40i + 25
= 89
important to note that the product is a complex number and it's complex conjugate is always a real number