Simplify the expression below.
(8−2)(84)

The answer is 504

First, you subtract 8 by 2. You get 6.
Next multiply 6 and 84. You get 504.

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.

Heptagon is the correct ans