K Which expressions are equivalent to ?
2
Choose 2 answers:

А: A k-2
B: 2/k
С: 1k/2
D: k•2
E: k+k

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.

What the heck i didn’t know