Which equation is an identity? a) 8y + 9 =8y - 3
b) 11 - (2v + 3) = -2v -8
c) 5w + 8 - w = 6w -2 (w - 4)
d) 7m -2 = 8m + 4 - m

Find the slope of the line below . enter your answer as a fraction or decimal. use a slash mark ( / ) as the fraction bar if necessary

The graph of y = ax^2 + bx + c is a parabola that opens up and has a vertex at (0, 5). what is the solution set of the related equation 0 = ax%2 + bx + c?

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.