Find the median:
1
8
4
30
39
16
33
18
7
5
11
13

12

Step-by-step explanation:

line the numbers up and cross off the first and last until you get to the middle. 11 and 13 were in the middle. 12 is between those numbers.

12

Step-by-step explanation:

1). Order the numbers from least to greatest

2). Elliminate one number from each side until you reach the middle

3). Since there are 2 numbers in the middle, we add the up (11+13) and divide them by 2

b.) 160 miles on a 5 gallons car

step-by-step explanation:

240/10=24 miles/gallon

160/5=32 miles/gallon

30/1=30 miles/gallon

168/6= 28 miles/gallon

32 miles/gallon is the most amount, so this is the best.

a = 3.14

b = 18

c = 18/5 or 3.6 or 3 3/5

step-by-step explanation: