What is 4cos2(165°) – 2 expressed as a single trigonometric function?.

When graphing a linear equation that is written in the form y=mx+b, the variable m represents the y-intercept. assuming that b> 0, which of the following best describes how reversing the sign of b would affect the graph? a) the new line will be shifted down b units b) the new line will be shifted down b x 2 units c) the new line will be a perfect reflection across the x-axis d) the new line will be a perfect reflection across the y-axis

Why should children should be allowed to vote at elections? explain

Explain how you might determine the rate of weathering on a sample rock