<em>Answer:</em>
<em>8</em>
<em>Step-by-step explanation:</em>
<em>6:0.75</em>
<em>0.75 divided by 0.75=1</em>
<em>6 divided by 0.75=8</em>
<em>8:1</em>
<em>Best,</em>
<em>SunflowerJada</em>
Answer:

Step-by-step explanation:
It's like solving any equation, except we have letters instead of numbers .
k = 3tm + rs {subtract rs from both sides}
k - rs = 3tm {divide both sides by (3m)}
{swap sides}
m≠0
{m must be ≠0 because you cannot divide by 0. There is no t for m=0}
Answer:
A
Step-by-step explanation:
In the figure shown, ABC is a right triangle with side lengths a, b, and c, and CD is an altitude to side AB. This altitude divides the triangle into two right triangles ADC and BDC. In these triangles,
So,

1. From the similarity
you have

2. From the similarity
you have

Hence, option A is true
The answers are the following
1. B
2. A
3. B
4. A