Answer:
2x+5<10
Step-by-step explanation:
please mark as brainliest
Answer:
unsure but i think the first one
Step-by-step explanation:
211.8 I just took the test and I had the same question I rounded it to 212 and it said it was wrong so you had to put exactly 211.8
Answer:
12r^2 +r -7
Step-by-step explanation:
9r^2 +4r -7 +3r^2 -3r
Combine like terms
9r^2 +3r^2 +4r -3r -7
12r^2 +r -7
