What is the square root of 64 times 54

At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%

Find the midpoint m of z1=(8+5i) and z2=(12+3i)

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.