A )
−
1
21
+
−
1
28
;

b
)
−
8
18
−
15
27
;
c
)
−
5
12
+
0
,
75
;
d
)
3
,
5
−
(
−
2
7
)

i will pick c put check it over to be sure

step-by-step explanation:

answer: what is the conflict?

step-by-step explanation:

*what has happened to new york city?

*what is in the time capsule?

* what did the kidz see that gave them hope?

*what will they do with what they find?

* how will they save the city?

* what challenges will they face along the way?

*what big choice will they make at the climax of the story?

* what lesson do they learn at the end of the story?

sure i'm up for it

step-by-step explanation:

solve systems of equations by graphing. a system of linear equations contains two or more equations e.g. y=0.5x+2 and y=x-2. the solution of such a system is the ordered pair that is a solution to both equations. to solve a system of linear equations graphically we graph both equations in the same coordinate system