Answer:
the first one is a straight line
Take 654 and divide it by 218.
654/218=3
Another way that I solve this is look at 8 and see what number times 8 have 4 at the end. 3x8=24. Check and see. 218x3=654.
Answer:
try 10 km/h as the base speed
Step-by-step explanation:
This has exactly two solutions.
You can find the number of a solutions that a problem has by its highest power of x. Since x is raised to the 2nd power in here, it has two solutions. In some cases, these solutions will be irrational, double roots, or non-real, but there will still be two of them regardless.
2112*448x-i think this is the answer