12. a pile of nickels and quarters is on a table. the total amount of money in the pile is more than o and less than 1 dollar. if all the coins (both the nickels and quarters) were turned into dimes, the amount of money in the pile would be unchanged. how many coins could there be in the pile?

Agrasshopper weighs 0.89 grams. express the grasshopper’s weight in scientific notation.

Situation: find the age of the skull to the nearest year, enter the correct answer. a hiker in africa discovers a skull that contains 32% of its original amount of c- 14. done n = noekt 00000 no = inital amount of c-14 (at time t = 0) n = amount of c-14 at time t k = 0.0001 t = time, in years

Really need ! 35 create an equation that can be used to find the value of x? hint: what type of angle pair do you see? here are the questions to answer, after you create an equation: 1) what should be the total amount used for this type of angle pair? explain how you know. 2) what is the answer to your equation for "x"? 3) after you find your answer for "x" in your equation, find the degree measurement for angle aed?