How much radioactive kind of europium will be left after 39 years if the half life is 13 years and you start with 1216 grams

How many different triangles can be constructed with the angle measurements of 134° 10° and 36° ?

Select the correct answer from each drop-down menu. the length of a rectangle is 5 inches more than its width. the area of the rectangle is 50 square inches. the quadratic equation that represents this situation is the length of the rectangle is inches.

The price of a visit to the dentist is calculated according to the formula 50+100n50+100n where nn is the number of cavities the dentist finds. on your last visit to the dentist, 22 cavities were found. what was the cost of your visit?