If arithmetic mean of numbrs 3, 4, 8, 5, x, 3, 2, 1
is 4, then find value of x.
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Place the following steps in order to complete the square and solve the quadratic equation,

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

Triangle knm is what is true about the sides of knm