WILL GIVE BRAINLIEST! Which of the following equations are linear equations in two variables? (Select all that apply.)

y2 = x − 8

y = −x2 + 7

x − 9y = 4

y = −3x + 5

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.

Situation: find the age of the skull to the nearest year, enter the correct answer. a hiker in africa discovers a skull that contains 32% of its original amount of c- 14. done n = noekt 00000 no = inital amount of c-14 (at time t = 0) n = amount of c-14 at time t k = 0.0001 t = time, in years

What is the solution to this system of linear equations? 2x + 3y = 3 tx-3y= 24