Answer:
1. 4
2. 16
3. 9
Step-by-step explanation:
Completing the square requires a quadratic in
form. Once in this form, calculate
.
1. 
2. 
3. Requires you divide everything by 3 first.


Answer:
B
Step-by-step explanation:
We can use the Pythagorean theorem to solve this.
(13)^2 = (8)^2+x^2
169 = 64 + x^2
x^2 = 105
x is approximately 10.2, so B
Answer:
the building is 28m
Step-by-step explanation: