The same as last time
Step-by-step explanation:
Answer:
Parallel line slope = - 1/2
Perpendicular line slope = 2
Step-by-step explanation:
Answer: The first question is the first option and the second one is is explained below:
Step-by-step explanation:#2
When you are doing Dilation, You have to rotate the paper or whatever
about 3 times so and then make your mark as needed.
10x+20y=540
x+y=34
y=34-x
Plug in (34-x) for y:
10x+20(34-x)=540
10x+680-20x=540
-10x=-140
10x=140
x=14
There were 14 ten cent coins and 20 20 cent coins