The probability of winning the shell games if you
randomly pick is 1 in 3. What would be the
approximate probability of winning 4 games in a row?

Can someone explain the elimination method to me for this problem?

Given abcd ac=38 and ae=3x+4 find the value of x

Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882