Tony and Tiffany collect semi-precious stones. At the Rockhound Hut, Tiffany paid $38 for 9 pounds of

snowflake obsidian. At The Solid Rock Shop, Tony paid $19 for 3 pounds of the same type of stone. Who

made the better buy?

The interior angles of a polygon add up to 1,800°. How many sides does it have? Give a reason for your answer.

4/16 Being Reduced Is?

Solve for x 6x-2 (x+4) = 12

What is the possitive and negitive of 122?

There are 3 consecutive integers such that 3 times the sum of the first and third is 5 times the second. What is the third integers?

If tan θ = 9, find the exact value of cot (θ). A. 8 B. 10 C. 1/9 D. 9

If the number is 5,678.321 what is the underlined digit of the 5

Scientists want to know the total trout population in a part of Lake Michigan. They tagged and released 200 trouts back into the wild. Later, they found 60 trouts in that same part of Lake Michigan, 10 of which were tagged.

If a scale factor of 1/5 is used to make a reduction, what is the base of the original triangle?

How many grams of sodium chloride is in 1 Liter of normal saline?