Answer: the decimal should still be there but you don’t want to have a zero so 3.42 would be correcr
Step-by-step explanation:
Since Christi earns $21 per hour, to find how much she earns by working 19 hours per week we need to multiply the hourly wage by the number of hours she works in a week:

Her weekly wage is $399
Answer: D) $399
The cost of gas bill including VAT is 379.26.
<h3>What is VAT?</h3>
Value-Added Tax (VAT) is a tax, which is payable on sales of goods or services within the territory of the Member States of the EU.
Given:
Cost of the gas before the VAT was added was £361.20.
VAT = 5%
Thus, cost of bill including VAT is
=361.20.*1.05
=379.26.
Learn more about VAT here:
brainly.com/question/20628016
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Hello! here are the basic rules that you need to know to solve these problems:
a diameter is 2 × the radius
the circumference rule is 2×π×radius
I will solve the first question to show how to format.
1: 5/2=2.5
2×2.5×π=5×π=15.7