Ok so you spent 19 dollars the difference between prices is 5 dollars and your answer would be 12 and 7. If you need any help let me know.
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Answer:
x = 1
Step-by-step explanation:
<u><em>since the function ln is the inverse of the function exponential then :</em></u>

:)
Answer:
○
Explanation:
<em>See above</em><em> </em><em>explanation</em>
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Answer:
-8
Step-by-step explanation:
Answer:
(0,-5) and (-4,3)
Step-by-step explanation:
The given equations are

Make y the subject in the second equation;

Substitute into the first equation;

Expand:





When x=0,

This gives; (0,-5)
When x=-4

This gives (-4,3)