X^2-x-11=-x-7
X^2-11=-7
X^2=4
X=2 (4 was reduced to 2 after the equation was square rooted)
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Answer:
the second one i think
Step-by-step explanation:
because both have 2 sides with 1 angle
You just do 12•.65. Then that’s your answer.
If there is 1000 seats, and the students took 45% percent of them, then 450 sixth graders went on the trip