I think A, C, D are right because of the 12 pairs of heels, 6 are black (6/12) That means half of them could be chosen and be black (0.5). Another way to write 0.5 is as a percentage, 50%.
B. A polygon is either a square or a rectangle
Total length of the fabric is 
We need to find the number of scarves can she make if she needs 5/6 of a yard for each scarf.
Let she needs x scarves. So, ATQ
Hence, she can make 8 scarves.
Answer:
3 hour and 30 minutes
Step-by-step explanation:
Divide
So the formula y= ax^2 first you must flip the equation so that gives us ax^2= y
Then divide both sides by x^2 giving us <span><span>a<span>x^2/x^2 = y/x^2 so we would end up with a= y/x^2 </span></span><span /></span><span><span /></span>