Liza finished studying at half past 3.what time did liza finish studying
a. 3: 30
b. 3: 15
c. 2.45
d. 2: 15

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart