help pls will give brainliest In which of these intervals is there a linear relationship between x and y? Select all that apply.

Find the roots of the equation below. x^2 - 6 + 9 = 0

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible