Graph the equation by plotting 3 points
2y=3x+11

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Solve the equation. 2x - 8(x+1)= 6(2x - 3)

Do one of the following, as appropriate: (a) find the critical value z subscript alpha divided by 2 , (b) find the critical value t subscript alpha divided by 2 . 99%; nequals 17; sigma is unknown; population appears to be normally distributed.