Use a net of the pyramid, if necessary, to find the surface area of pyramid. Two sides of surface area is 8. That's all I have . help please

1. what is the phythaforean theorem? 2.what do we use it for? 1.what is the distance formula ? 2.what do we use it for?

List x1, x2, x3, x4 where xi is the left endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 4 and x = 6. a 4, 4.5, 5, 5.5 b 4.5, 5, 5.5, 6 c 4.25, 4.75, 5.25, 5.75 d 4, 4.2, 5.4, 6

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12