Can anyone help me ? i'm not sure how to do these type of equations !

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

What is the slope of the line passing through the points (-5, 7) and (-3,5)?

For a sewing project, maria divides 5 yards of fabric into 12 -yard strips. how many strips will maria have for her project?