Step-by-step explanation:
4h+6h2+1−(5h2−8h4+6)
=4h+6h2+1+−1(5h2−8h4+6)
=4h+6h2+1+−1(5h2)+−1(−8h4)+(−1)(6)
=4h+6h2+1+−5h2+8h4+−6
=4h+6h2+1+−5h2+8h4+−6
=(8h4)+(6h2+−5h2)+(4h)+(1+−6)
=8h4+h2+4h+−5 <- Answer
hope this helps <3
Random sampling. its where you pick or make a smaple at random
0.581 i used a calculator
