7-3x=x-4(2+x) please help with work

If 1/2 is half of 1, what is 1/2 of 2,3, and 4?

Find the quotient. 50a2 – 98b2 -5a +7b

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 =