Complex numbers are divided into two parts; real and imaginary parts. The value of Z3 is 
Given that:


Since O is the origin, then:

This means that:

So, we have:

Collect like terms


Hence, complex number Z3 is 
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Answer:
Chester would receive a discount of $2.87 on using the coupon.
Step-by-step explanation:
We are given the following in the question:
Original cost of shirt = $28.70
Discount =

We have to find the discount Chester would receive from using this coupon.
Discount amount =

Thus, Chester would receive a discount of $2.87 on using the coupon.
2h/15=20 so the answer to h would be h=150
The answer is 3/5
Just keep the distributive property in mind.