Answer:

Step-by-step explanation:
we have
Line 1

Equation in slope intercept form
The slope is equal to

Line 2


Equation in slope intercept form
The slope is equal to

we know that
If two lines are perpendicular, then their slopes are opposite reciprocal (the product of the slopes is equal to -1)
so

substitute


Answer:
I cant see
Explanation:
Attach it properly?
Answer: 3.15 mm²
Step-by-step explanation:
First, we multiply the height by the base: 4.2 x 1.5 = 6.3
But, since this is a triangle, we have to divide this number by 2: 6.3 / 2 = 3.15
Hope this helps you!
Answer:
<h2><u>
28 eggs did not hatch.</u></h2>
Step-by-step explanation:
<h3>
1) Calculate 9/15 of 70 eggs. </h3>
× 70

= 42
<h3>
2) To calculate how many eggs <u>
DID NOT</u>
hatch, we should subtract 42 from 70.</h3>
70 - 42 = 28
<u>28 eggs did not hatch.</u>
<em>Hope this helps! I would really appreciate it if you would please mark me brainliest! Have a blessed day!</em>
Parallel because the Y moved 4 units down and the slope hasnt changed