What property is shown below?

2 × (6 × 8) = (2 × 6) × 8
associative property of addition
associative property of multiplication
commutative property of multiplication
commutative property of addition

Ataxi company charges $2.25 for the first mile and then $0.20 per mile for each additional mile, or f = $2.25 + $0.20(m - 1) where f is the fare and m is the number of miles. if juan's taxi fare was $6.05, how many miles did he travel in the taxi? if juan's taxi fare was 7.65, how many miles did he travel in taxi

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?