Answer:
So the answer is -7
Step-by-step explanation:
2z + 8 = −6
2z + 8 -8 = -6 -8 ( add - 8 for both sides)
2z = -14
2z/2 = -14/2 (divide both sides by 2)
z = - 7
So the answer is -7
I think 4,967
Substitue r with 2976-
r +1988 to 2976 +1988
/-
If your doing ireadys the answer is 1/2(a-8 but no negative 8 it’s just original 8
we are given
62% of the students take math
so,

49% take science

38% take both science and math
n(M∩S)=38
now, we can use union formula
n(M∪S)=n(M)+n(S) -n(M∩S)
now, we can plug values
and we get
n(M∪S)=62+49 -38
n(M∪S)=73
so,
the percentage takes at least one science or math course is 73%..........Answer
Perpendicular line: y = 2x+4
parallel line: y = -2x+3 (or any number different from 4)
neither: y= -4x+-3