9. In certain scholl, 20% of students are below 8years of age. The number of std above 8 yrs of age is 2/3 of the number of std of 8 age which is 48. what
is the total number of std in the school?

A.) 3.2 pounds package has a shipping cost of $4.13. We can't use the cost assigned to 3 lbs because the package is over 3 lbs but it is not over 4 lbs so we use the cost of 4lbs.

b) It is better to use a line graph where x values represent the weight in pounds and the y values represent the cost.

c) f(x) = 2.69 + 0.48(x-1)

d) domain is the x values; range is the y values