12. which equation is an identity? a. 7 - (9x + 3) = -9x - 4 b. 6m - 5 = 7m + 5 - m c. 10p + 6 - p = 12p - 3(p - 2) d. 3y + 2 = 3y - 2 13. which equation has no solution a. 5y + 3 = 5v - 5 b. 2x - 4 = 2x + 7 - x c. 2y + 5 - y = 2y - 3(y - 6) d. 7z + 9 = -7z - 6 14. solve the following equation 2(h-8) - h = h - 16 a. h = b. h = c. infinitely many solutions d. no solution

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

(01.02 lc) angle abc has point e on ray ba and point d on ray bc. points e and d are equidistant from point b. to bisect angle abc, which of the following needs to be identified for the construction? the distance between points e and d the point in the angle that is equidistant from points e and d the endpoint of rays ba and bc the point outside of the angle that is equidistant from points e and d

Which shows the correct substitution of the values a, b and c from the equation 1=-2x+3x^2+1