Simplify 3 1/4 ÷ 1 1/2 / 2 1/2

How do i do this activity, is appreciated

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

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 =