Answer:
x = 9
Step-by-step explanation:
Answer:
Every angle of Square = 90°
diagonal bisects the angle in half.
=> angle FGI = 45°
=> 7x+3=45
=>7x=42
therefore, x=42/7=6
this equation just multiplied my depression by 2 omg im so sorry dawg .
C
Step-by-step explanation:
This has a U like shape so it a parabola.
Parabola correlate with quadratic functions

Since it Going down, the answer is C -x^2.
279.93 ≈ 280 seconds or 4 minutes 40 seconds