Ajar contains n nickels and d dimes. there are 27 coins in the jar, and the total value of the coins is $1.85. set up and solve a system of equations to find how many nickels and how many dimes are in the jar.

What is the prime factorization of 23 ?me with this question

Which spreadsheet would be used to compute the first nine terms of the geometric sequence a^n=32•(1/2)n-1

Apassenger train and a freight train leave san jose at 3pm, traveling in the same direction. the passenger train is going three times as fast as the freight train. at 6pm they are 240 miles apart. how fast is each travelling? explain your answer and show your