Answer: For lines to be parallel, the slope has to be the same.
For lines to be perpendicular, the slope has to be the negative reciprocal. 4
x
+
2
y
=
7
2
y
=
−
4
x
+
7
y
=
−
2
x
+
7
/2
Compared to
: y
=
2
x
−
3
Step-by-step explanation: Just a good guess.
i think its b
Step-by-step explanation:
Answer
The missing value is 22
step-by-step explanation
The slope formula is

From the question,
m=5


and

We substitute these values to get,

Simplify






The missing value is 22
The half life would be about 3 so making the percentage About 25%
Answer:
4999500
Step-by-step explanation:
first 5 = 5000000
second 5 = 500
difference = 5000000-500