Answer:
Step-by-step explanation:
First of all we need to know the relation between 1 dollar and 1 cent in order to express everything in the units required in the question.
We know that 
, so the amount paid for the item with single dollars has to be multiplied by 100 to express its value in cents.
Now that we have everything in cents, we can make the subtraction:
Replacing the value in cents we get:
Answer:
39.58
Step-by-step explanation:
49.15-16.23=32.92
32.92+35=67.92
67.92-8.34=59.58
59.58-20=39.58
Her balance is $39.58
Hope this helps
Well pie is 3.14 etc.
And the way to find that out is by:
~Using the formula.
~To find out what the circumference is you have to use this formula<span>
C= π*d =2*π*r
</span>~Pi<span> equals a circle's circumference divided by its diameter.
</span>~If you plug in the numbers in a calculator the numbers should be 3.14.
7x-3 would then be 7(-2) -3. 7 multiplied by -2 would be -14. -14-3= -17
hope this helps
