Let f(x)=x+√x+2 find the x-intercept

The expression 6x2 gives the surface area of a cube, and the expression x3 gives the volume of a cube, where x is the length of one side of the cube. find the surface area and the volume of a cube with a side length of 6m

Given: pqrs is a parallelogram prove: pr and qs bisect each other at t

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?