Solve the following system of equations graphically.

x = -5
y = -6

What is the solution set?

A. {(-6, -5)}
B. {(-5, -6)}
C. ∅

Anyone know? will mark brainliest if correct

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?

If sin(x) = 0 and cos(x) = 1, what is tan(x)?