Atextbook store sold a combined total of 319 chemistry and history textbooks in a week. the number of history textbooks sold was 89 less than the number of chemistry textbooks sold. how many textbooks of each type were sold?

If angle 2=3x +1 and angle 3=2x +4what is angle 2

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

(c) the diagram shows the first three shapes of a matchsticks arrangement. first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.