Ava paid $73.20 in sales tax.
Step-by-step explanation:
Given,
Shipping charges = $7.99
Per ounce charges = $30.50
Charges of 40 ounce = 40*Per ounce charges
Charges of 40 ounce = 40*30.50 = $1220
Sales tax = 6%
Amount of sales tax = 6% of charges of 40 ounce
Amount of sales tax = 
Amount of sales tax = 
Ava paid $73.20 in sales tax.
Keywords: sales tax, multiplication
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Answer:
n + (2n + 5) = 50
Step-by-step explanation:
n = Nina’s age
2n = twice Nina’s age
5= Ryan is 5 years older than twice Nina’s age
50 = both their ages combined.
So,
n + (2n + 5) = 50
Answer:
- 4
Step-by-step explanation:
The conjugate of - 2 + i is - 2 - i, thus
- 2 + i + (- 2) - i
= - 2 + i - 2 - i ← collect like terms
= - 4 ← in the form a + bi with b = 0
The answer would be -2, and -2x is raised to the power of 2, making it the leading coefficient.<span />
