You were in the car with a family member. You started with 7/10 of a tank of gas, and when you got home you had ⅓. How much gas did you use?

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  11/30 of a tank

Step-by-step explanation:

The amount used is the difference between the starting amount and the ending amount:

  7/10 -1/3 = 21/30 -10/30 = 11/30 . . . . of the tank

a. 32 degrees

step-by-step explanation:

here we have to use the rule.

m∠e = 1/2 (major arc - minor arc)

m∠e = 1/2 (212 - 148)

m∠e = 1/2 (64)

m∠e = 32 degrees

answer: a. 32 degrees

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