Marcy has a class where she has 4 tests and 1 final. the final is worth 25% and the tests combined are 75%. if she gets 57 on one of her tests and 40 on another, what does she need to get on her other 2 tests and final in order to get a 85% overall grade in the course? ?

a complex number is a number that can be expressed in the form a + bi, where a and b are real numbers, and i is a solution of the equation x2 = −1. because no real number satisfies this equation, i is called an imaginary number. has no real solution, since the square of a real number cannot be negative.

this is not the answer this is just a question. is this middle school math?

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