Answer:
r=22
Step-by-step explanation:
(7x2+x+9)-(3x2+4x-5)
4x2-3x+4 is your answer (:
Answer: 0.00027
Step-by-step explanation: 2.7 × 10 ^-4 = 0.00027
What a terrible question. I'm sorry you have this teacher. I think the answer they are looking for is 42 even though there's that +/- should be in a parenthesis and then you are rounding 6.5² to 42. Hope this helps
Sorry I don’t know this I would help but I don’t know
