The graph of y = f ′(x), the derivative of f(x), is shown below. List the intervals where the graph of f is concave down. (–4, –2) U (2, 4) (–2, 2) (–4, 0) (0, 4)

Which equation requires the division property of equality to be solved?

David bought a poster for an art project. the poster is 2.7 feet wide and 3.9 feet tall. what is the area of the poster?

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?