Which of the following is the value of y that solves the system of equations shown below? (1) -5
(3) 6
3x + 4y = 16
(2) 8
(4) -2
x + y =16

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

There is a spinner with 14 equal areas, numbered 1 through 14. if the spinner is spun one time, what is the probability that the result is a multiple of 2 or a multiple of 5?