Answer:
+- 5 and +- 3
Step-by-step explanation:
qn 2:
4r² = 91 + 9
4r² = 100
r² = 25
r = +- 5
qn 3:
4r² = 29 + 7
4r² = 36
r² = 9
r = +- 3
Alright, so the slope is alws in the middle so “u”
No this data set is not a function because two points have x coordinates of 4
Hope this helps
Answer:
<h3>$ 20 </h3>
Step-by-step explanation:

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A.
If you multiply the original equation by 3 you get -45x+3y=54, which is the exact same as A, therefore they have infinite solutions.