128*.69=88.32-8.83
128+8.83=136.83
Answer choice B is the answer.
Answer: Yes A is correct
Step-by-step explanation:
Multiply the first equation by 3...
2x+3y=k+1 needs to be subtracted by 3x+3y=3k
which equals -x=-2k-1
Then you can multiply the equation by -1 to make them all positive. Resulting in x=2k+1
Answer:
Explanation:
You just need to find the ratio of lengths of one of the sides and apply it to the unknown side:
72
24
=
3
This means that the triangle on the right has sides that are 3 times the length of the smaller triangle.
x
7
=
3
x
=
21
Answer link
I can't really see it well
Answer:
<h2>y = 2x - 3</h2>
Step-by-step explanation:
y = (slope)x + (y-intercept)