Answer:
-6 and -7
Step-by-step explanation:
Sorry if its wrong
Answer:
C
Step-by-step explanation:
Ok, so to do this, we are just going to plug in (0,0) and see it it checks out.
Let's take the first question. y
When we plug (0,0) into this, we get the following



This is false.
Let's check the other equation:

This is true.
So the correct answer is C
Answer:
38.4895
Step-by-step explanation:
area of circle = pi * r^2
3.142 * 7^2 = area of the whole circle
as we only have 1/4 of the circle we divide our area by 4
(3.142 *7^2) / 4 = 38.4895
Answer:
-2c
Step-by-step explanation:
Step-by-step explanation:
the total angles in the triangle are 180°
so,
63° + 57° + ∠2 = 180°
120° + ∠2 = 180°
∠2 = 180° - 120°
∠2 = 60°
<h3>#CMIIW</h3>