Answer:
Step-by-step explanation:
Use distributive property. Then use exponent law.
Exponent law used here = 

Answer:
Step-by-step explanation:
<u>Given</u>
<u>Conjugate of z is:</u>
<u>Product zz' is:</u>
- zz' = (-3 + 5i)(-3 - 5i) = (-3)² - (5i)² = 9 - 25(-1) = 9 + 25 = 34
0<r<6
the least number of ride he can go on is 0 which is none and the most is 6 because 15/2.50=6
2x-5= 7
Add 5 on both sides
2x= 12
Divide by 2
X= 6
The answer is 5%, you're welcome