1. 9 feet revelent to the surface
2. 19 points
<span>3√10+7√15-6√10-4√15 =
(7</span>√15-4√15)+(3√10-6√10) =
3√15 - 3√10
<span>B.3√15-3√10</span>
Answer:
the awnswer is a = 7 + c
Step-by-step explanation:
Answer:
21/10
Step-by-step explanation:
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