Help asap!! will give out brain!
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What expression is equivalent to 1/2(2+3x-6)

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10

One astronomical unit (1 au) is about 1.496 alt tag missing. kilometers. if you wrote this number of kilometers in regular decimal notation (for example, 528 and 3,459 are written in regular decimal notation), how many zeros would your number have?