Part a: is x = 6 a solution of the equation 8x + 8 = 56? explain. part b: suppose the solution of the equation stays the same. how would the right side need to change if the solution is now x = 9?

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

Assume that 1400 births are randomly selected and 1378 of the births are girls. use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high. choose the correct answer below. a. the number of girls is neither significantly low nor significantly high. b. the number of girls is significantly high. c. the number of girls is significantly low. d. it is impossible to make a judgment with the given information.

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.