Is this true or false? Pls help a dumb person out

Factor -8x3-2x2-12x-3 by grouping what is the resulting expression?

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart

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 = f