well first the complement I 90-19=71
and supplement is 180-19=161
Find what the sum of the #s could be by multiplying 15*4 since there's 4 #s . 15*4=60 so the sum of the 4 #s is 60
Answer:

Step-by-step explanation:

The most appropriate choice for sentence correction will be given by:
<h3>What is sentence correction?</h3>
Sentence correction is a type of grammatical practice where a sentence is given with a word or a phrase that requires grammatical changes or improvement.
Now,
- In the given sentence, "Wilmers and Estes caution, however, that <u>having more otters</u> will not automatically solve the problem of higher levels of carbon dioxide in the air".
- The most appropriate choice for sentence correction will be given by: the otters multiplying (option B).
To learn more about sentence correction, refer to the link: brainly.com/question/14632568
#SPJ4
Answer:
Step-by-step explanation:
Graph the parabola using the direction, vertex, focus, and axis of symmetry.
Direction: Opens Up
Vertex:
(
1
,
−
2
)
Focus:
(
1
,
−
23
12
)
Axis of Symmetry:
x
=
1
Directrix:
y
=
−
25
12
x
y
−
1
10
0
1
1
−
2
2
1
3
10