The answer is -3.
If we add positive one/+1 to negative four/-4, we subtract +1 from -4, giving us -3.
The discount is $2.50, the new price would be $2.50. Unless you factor in sales tax.
-7.
5x-3 = -15
-15-4\4= -16
-16 + 9 = -7
<h2>Correct question;</h2>
<h2>

</h2><h2>Required solution;</h2>
<h3>↠ Multiply the terms with the same base by adding their exponents</h3>
<h2>

</h2><h3>↠ Add the numbers</h3>
<h2>

</h2>
After expanding the answer will be 81

Hope it helps...
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