13) Consider the checkerboard arrangement shown below. Assume that the red checker can move diagonally
upward, one square at a time, on the white squares. It may not enter a square if occupied by another checker, but
may jump over it. How many routes are there for the red checker to the top of the board?
Fill in the blanks to describe squares.
The square of a number is that number
Question Blank 1 of 4
.
The square of negative 12 is written as
Question Blank 2 of 4
, but the opposite of the square of 12 is written as
Question Blank 3 of 4
.
2 • 2 = 4. Another number that can be multiplied by itself to equal 4 is
Question Blank 4 of 4
.
12) The prime factors of 1365 are 3, 5, 7 and 13. Determine the total number of divisors of 1365.
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