A committee is planning a reception and estimates that 30 people will attend. On the day of the reception, 39 people attend. What was the percent of the estimate?

30 pts, will mark brainliestwhat is the period of the sinusoidal function? (picture 1)what is the minimum of the sinusoidal function? (picture2)what is the maximum of the sinusoidal function? (picture 3)

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

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