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algebra; writing and solving equations:

moira is three years less than half her mother's age. her mother is 76 years old. how old is moura?

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Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?

Simplify. 4+3/7x-2-2/7x a. 2-5/7x b. 6-1/7x c. 2+1/7x d. 6+5/7x

Graph the function =gx+2x3 and give its domain and range using interval notation.