The stove after discount now cost 301.61 dollars.
Answer:

Step-by-step explanation:
Let
x-----> the number of shirts
we know that
The equation of the cost is equal to

The equation of the sell is equal to

The equation of the profit is equal to

substitute the values

Answer:
<em>12 </em>
<em> + 28 </em>
<em> - 60 r³ + 28 r² </em>
Step-by-step explanation:
a(b ± c) = ab ± ac (distributive property)

2r²(6r³ + 14r² - 30r + 14) = <em>12 </em>
<em> + 28 </em>
<em> - 60 r³ + 28 r²</em>
<span>The formula is 1/b-a int(equation) from zero to four. Just integrate normally and multiply by the first part.
</span><span>integrate with limits 0,4 then divide by 4
</span>
<span>1÷4 (limit o to 4)∫ 2√1+5t^3 dt
= </span><span>14.691</span>