There are some nickels, dimes, and quarters in a large piggy bank. for every 2 nickels there are 3 dimes. for every 2 dimes there are 5 quarters. there are 500 total. how many nickels, dimes , and quarters are in the piggy bank

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

Which expression converts 45 degree to radians

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?