Susan has 48 coins totalling $8.00 and the coins are all nickels and quarters. Which system of equations can be used to determine the number of nickels, n, and quarters, q, that Susan has?

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Joel wants to buy a new tablet computer fram a store having a 20% off sale on all tablets. the tablet he wants has an original cost of $190. he also wants to make sure he has enough money to pay the 5% sales tax. part one joel uses the incorect expression 0.95(190)(0.8) to calculate that the tablet will cost him a total of $144.40. describe his error and write the correct expression part two how much will joel pay for the tablet show your work if you answer this question correctly you will receive a prize of 99 points good luck

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.