At a glass vase factory, 2 out of the last 20 vases produced were chipped. What is the experimental probability that the next vase will be chipped

Need solving this second acceleration problem.

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?

Find the equation of a line whose slope is 2/5 and y- intercept is 2.write your answer in the form 1) ax+by+c=02) x/a+y/b=1