Two samples, each with n = 5 scores, have a pooled variance of 40. what is the estimated standard error for the sample mean difference? √20 10 4 8

Which statements are true of the graph of h(x) = ^3 square root of x-4 ? check all that apply.the domain of h(x) is the set of all real numbers. the range of h(x) is the set of all real numbers. for all points (x, h( h(x) exists if and only if x – 4 0. the graph of h(x) is a translation of f(x) down 4 units. the graph of h(x) intercepts the x-axis at (4, 0).

What is the value of x in the equation 6(x + 1) – 5x = 8 + 2(x – 1)?

7x+8y=-18, 4x-9y=-3 solve the system of equations