Answer:
(1 , 4)
:):):):):):):):):):):):):):
115*20=2300.
50*5=250
First mechanic 20 hours
Second mechanic 5 hours
<h3>
Answer: choice B) counterclockwise rotation of 90 degrees around the origin</h3>
To go from figure Q to figure Q', we rotate one of two ways
* 270 degrees clockwise
* 90 degrees counterclockwise
Since "270 clockwise" isn't listed, this means "90 counterclockwise" is the only possibility.
12x=x^2-64
you have to do quadratic formula