If x²+(c-2)x-c²-3c+5 is divided by x+c the reminders is -1 find the value of c ?

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?