(11)
we are given two points
(x1,y1)=(0,3)
(x2,y2)=(8,7)
so, we get


(a)
we know that slope of parallel lines are always equal
so, we can use formula

now, we can plug values


............Answer
(b)
we know that slope of perpendicular line is -1/m
so,

now, we can plug value

...............Answer
(12)
we are given two points
(x1,y1)=(5,-1)
(x2,y2)=(3,1)
so, we get


(a)
we know that slope of parallel lines are always equal
so, we can use formula

now, we can plug values


............Answer
(b)
we know that slope of perpendicular line is -1/m
so,

now, we can plug value

...............Answer
False, they already have that as a rule in the order of operations. That’s what PEMDAS stands for. The E stands for Exponents.
Answer:
19,000 pa.
Step-by-step explanation:
I hope this helps
60 sweatshirts or 45 jackets
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