If 2c + 1 = 11, what is the value of 2c?

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12

Jessica and martha each have a bag of cookies with unequal quantities. they have 30 cookies total between the two of them. each of them ate 6 cookies from their bag. the product of the number of cookies left in each bag is not more than 80. how many more cookies will jessica have martha? if x represents the number of cookies jessica started with, complete the statements below.the inequality that describes the relationship between the number of cookies each one of them has is x^2 - x +224 > = 0.jessica has at least cookies more than martha.

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

Perform the indicated operation and write the answer in the form a + bi. (-5 + 2) + (3 - 6i)