Answer:
<em>(C).</em> <em>(t² - p)( </em>
<em> + pt² + p²) </em>
Step-by-step explanation:
a³ - b³ = (a - b)(a² + ab + b²)
- p³ = (t²)³ - p³ = <em>(t² - p)( </em>
<em> + pt² + p²)</em>
If there is $1,000 for the pipes, then you can buy 5 steel pipes for $500 and to plastic for 500 too.
Answer: 10
<u>Step-by-step explanation:</u>
÷
=
÷
=
÷
=
÷
=
x
= 
= 10
18 is 60 percent of 30. 3 percent is 10 percent of 30 so 3 x 6 equals 18.