P(a) = .50, p(b) = .30,and p(a and b ) = .15 what is p(a and b)?
a. 0.18
b. 0.65
c. 0.20
d.0.80

This is about circle theorems. someone asap : (

2. using calculations based on a perpetual inventory system, determine the inventory balance altira would report in its august 31, 2021, balance sheet and the cost of goods sold it would report in its august 2021 income statement using the average cost method. (round "average cost per unit" to 2 decimal places.)

Julie was able to walk 16 km through the zoo in 6 hours. how long will it take her to walk 24 km through the zoo?