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Answers by Ann C.

This puzzle is like a game!  Look at the equations one at a time to see if you can figure out the value of any of the letters.  Do them in the order in which you can find clues.  Here is the order which worked for me, but others may work, too.   1.  H x A = H  ...

The pattern in this geometric sequence is "multiply by 4."  You can see this because each term multiplied by 4 gives the next term:  3 x 4 = 12; 12 x 4 = 48; etc.   Three terms are already given.  You need the first five terms to answer the question, so find...

The difference between the two locations will be the original location (the deck of the ship) minus the final location (the bottom of the ocean).  So . . .   difference = ship - bottom = 46 ft - (-387 ft)   If you need to write this with all symbols, choose a letter...

x/5 + 9 =4 (answer)

Donovan, The goal of this problem is to find the value of x.  To do this, you need to get x by itself on one side of the equal sign.  That means you need to "get rid of" the 5 and the 9.  Remember that you can add or subtract the same thing from both sides of the equation...

A=bh A=45b=15 (answer)

A = bh means area = base x height, which is the formula for the area of a parallelogram (or rectangle or square, which are special types of parallelogram). The problem gives you two of these values:  A = 45 and b = 15 Plug these values into the area formula to calculate the height: A...

Both of your answers are correct! To clarify your first equation for other readers:  "three less than a number" means the number minus 3, so    - 3 will be at the end of the equation.  "A number multiplied by 6" means the number times 6.  Choose any...