A certain type of bacteria doubles their number every hour. if there are 100 bacteria from the start, how many bacteria are there after 7 hours? Use this function y=a(r)t

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?

What is the graph of the absolute value equation ? y=|x|-5

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?