Emily measures 3 pieces of string. the first piece measures 642 cm. the second piece measures 124 cm, and the third piece is 134 cm. how many meters of string does she have altogether? (hint: 1 meter equals 100 centimeters)

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

If jaime wants to find 60% of 320, which table should he use?

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11