Please solve 3 N ↓
⬛
9 N ↑

What is the vertex form of f(x) = x2 + 6x + 3

The sum of two numbers is 86, and their difference is 20. find the two numbers

Akitchen is 12 ft. by 14 ft. with 10 ft. high walls. how much would it cost to put vinyl flooring in this room? $8.80 per ft