Which is bigger 40% of 200 or 1/3 of 150

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0

When i'm with my factor 5, my prodect is 20 .when i'm with my addend 6' my sum is 10.what number am i

The taxi fare in gotham city is $2.40 for the first 1 2 12 mile and additional mileage charged at the rate $0.20 for each additional 0.1 mile. you plan to give the driver a $2 tip. how many miles can you ride for $10?