GIVING OUT BRAINLIEST. Suppose d≠0. We can write (12d+13+14d^2)+(2d+1), in the form ad+b+cd^2, where a, b, and c are integers. Find a+b+c

When turned about its axis of rotation, which shape could have created this three-dimensional object?

What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)

(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.