To answer this, we let x some factor that would agree or make the ratio given true. We calculate as follows:
<span>2:3:4
2x:3x:4x
2x = 12
x = 6
Therefore, the length of the longest side would be 4x = 4(6) = 24 cm, third option.</span>
Answer:

Step-by-step explanation:
When dividing numbers with powers, it is handy to remember that

so

It terminates <span>9÷16=<span>.5625</span></span>
Answer:
4 cm
Step-by-step explanation:
The ratio of AD to DC is 6:12 which is equivalent to 1:2. For the ratio of WZ to ZY, we want to find half of 8 cm from ZY, for this case, it is 4 cm which makes the ratio 4:8.
Terms : 7 , -5x , 1
like terms : 7 and 1
constants : 1
coefficients : -5