Which mathematical property is demonstrated?

(25 + 84) + 16 = 25 + (84 + 16)

A farm uses a circular system to water the crops. The arm on the system (the radius) is 400 meters long. What area of land can it water? Use 3.14 to approximate pi.

A triangle has sides of length 5, 8, and 10. What is the measure of its largest angle?

Suppose you visit a yogurt shop. To create a fruit smoothie, you can choose vanilla, chocolate, or strawberry yogurt. Once you choose the yogurt flavor, you can choose to add one fruit flavor.

Sean and Tom had the same number of tickets to sell at first. Tom sold 170 tickets and Sean did not sell any tickets. In the end Sean had three times as many tickets left as Tom. How many tickets did Tom have at first?

The function p (x) = 3.113 (1.2795) ^x models the population, in millions, of california since 1990. use the function to complete the following.

without repetition, how many for 4 digits numbers you can form with 1,2,3,4,5,6,7 which are divisible by 5

Find the simple interest for $5,000 at 5.3% for 16months rounded to nearest cent

What is the answer to the equation r+5/6=-3 1/6

Rearrange this equation to isolate c A=b (1/c-1/d)

Use the formula F=9/5C+32 to convert 24°c to degree F