Answer:
19) 2(2g+1)
20) 5f+4s
Step-by-step explanation:
19) Look at the all options and distribute:
2(2g+1)
=4g+2
2(g+2)
=2g+4
4(g+2)
=4g+8
g(4+2)
=4g+8
The first option, 2(2g+1) is the only option that equals 4g+2
20) combine like terms, in this case 3f and 2f.
5f+4s
we cannot simplify anymore so that is the answer.
hope this helps :)
