HELP!! BRAINLYEST!! :)

1. Which ordered pairs in the form (x, y) are solutions to the equation 3x−4y=21 ?

Select each correct answer.

a (11, 3)
b (−3, 3)
c (7, 0)
d (−1, −6)


2. Which statement about the ordered pairs (−9, 3) and (2, −4) is true for the equation 6x−y2=14 ?

a Neither ordered pair is a solution.
b Both ordered pairs are solutions.
c (2, −4) is a solution to the equation.
d (−9, 3) is a solution to the equation.

4. What is the x-intercept of the line with this equation 13x+y=−15 ?

Enter your answer in the box.

( ___ , 0)