X^2 + y^2 + 6x -8y -11=0 in standard form

What is always true about a positive integer raised to a negative odd power?

What is the unit rate of, 75% high fiber chimp food to 25% high protein chimp food.

How many heads would you expect if you flipped a coin twice? first, fill in the table below with the correct probabilities. hint: the sample space for flipping a coin twice is {hh, ht, th, tt}. a = b = c =