Factor the expression below. x2 + 18x+ 81
A. (x - 9)(x-9)
B. (x + 9)(x + 9)
C. (x+3)(x + 27)
D. (x - 3)(x - 27)

Read the situations in the table below. then drag a graph and equation to represent each situation. indicate whether each of the relationships is proportional or non-proportional. edit : i got the right answer its attached

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period. value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?