A pattern of shaded and unshaded squares is shown below: 1. Find a formula for or describe in words the number of shaded squares in the n" figure.
2. Find the number of shaded squares in the 50th figure.

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.

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 =