Answer:
20%
Since Emily gave 15 of her buttons out of 75, it's just 15/75 or 1/5 which is 20
Step-by-step explanation:
Yes, they are equivalent. Another equivalent fraction would be any fraction that equals to 1. Eg. 9/9
I assume by the length you mean height so,

≈ <span>4.54
.
if you're supposed to round it, it'd be either 4.50, or 5
</span>
I hope this helps
Answer:

Step-by-step explanation:
The open circle means that the point is not included in the solution set, and the arrow pointing left means that all numbers less than -2 are members.
In set-builder notation, each term has a special meaning. The braces enclose the members of the set.
Here's how you translate the notation,
