Find the MODE of the data set: 5, 3, 7, 3, 9, 1, 7, 11

3 and 7

Step-by-step explanation:

The mode(s) of a data set are the numbers which appear most often. In this set, 3 and 7 both appear twice so they are both modes of the data set.

which expression can be used to convert 80 us dollars (usd) to australian dollars (aud)?

1 usd = 1.0343 aud

1 aud = 0.9668 usd

step-by-step explanation:

sorry just need the points

circle area = pi * radius^2

if diameter = 10 then radius = 5

circle area = pi * 5^2

circle area = pi * 25

circle area = 78.5398163397 square units

step-by-step explanation: