It is the first, second, and the last answers
Answer:
y = -1
Step-by-step explanation:
A horizontal line has slope zero (0). Therefore its slope y-intercept form should look like:
Therefore, using the given point (-2, -1) be on this line implies that it satisfies its equation:
Therefore, the equation of the line is:
Answer:
27
Step-by-step explanation:
find square root of 81 and multiply by 3
9 x 3 = 27