Answer:
B: r² + 2r = 4
Explanation:

<u>divide both sides by 3</u>
← This is the result of the first step.
<u>factor out the common term</u>

<u>set to 0</u>

<u>simplify</u>

Answer:
1
hope this helps!!:)
Step-by-step explanation:
It easiest to like take the percentages from each answer choice.
d would be the answer because 40% (25%+15%) of $97.39 is abt $57.37
Answer:
2:15 to 2:18 is -225 ft
Step-by-step explanation: -40 ft-185=-225 ft