1/3, bc you have 33.333% for each marble that it would be chosen.
This is the answer for both number 9 and number 11.
Good luck
Answer:
m∠A = 59°
Step-by-step explanation:
Supplementary angles mean that, when the two are combined, their total measurement will equal 180°.
It is given that one of the angles is 121°. Subtract 121 from 180:
180 - 121 = 59
m∠A = 59°
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