<span>- lithium, beryllium, and boron
- nitrogen, arsenic, and antimony
- potassium, calcium, and gallium
- cesium, platinum, and radon</span>
If she gave all the kids in her class 1 piece of candy, and she had 7 left over, the equation is 97 - 7 = 90. There are 90 kids in her class.
Answer (2x+5)^2
Explanation
Area equals length times width
8 positions x 8 employees = 64 different ways