Answer:
number 9 is c.
im not really sure what 10 is
Step-by-step explanation:
x = n of years of mary
x+8= n of years of her bro
So her brother is (x+8)/x times as old as Mary
Question 40 is D because from looking at the graph, its is symmetrical and the mean is the average, which usually the middle of the graph, so is the median. The median and mean would be within the 2.1-3 category because its the middle of the graph.
Question 41 is B because every pound is 16 ounces. If you multiply 16 and 12.5, you'll get 200.