5. Before rock climbing, Fernando, who is 5.5 feet tall, wants to know how high he will climb. He places a mirror on the ground and walks six feet
backwards until he can see the top of the cliff in the mirror.
Determine the similarity theorem or postulate that you can use to
determine the height of the cliff.

assuming you mean addition: addition and subtraction are reverse operations.

step-by-step explanation:

to determine the unit cost your would divide the total cost by the number sold.

7 bagels for $4.41       $4.41/7 = $.63 each at fresh side

5 bagels for $3.60         $3.60/5 = $.72 each at value mart

144.50

step-by-step explanation:

21.5 x 13.4=288.10 divide by 2

7

step-by-step explanation: