Describe and correct the error in making the ratio table

In which source of water would a wave travel the fastest? o ice o cold o room temperature o hot mark this and return save and exit next

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

In parallelogram abcd the ratio of ab to bcis 5: 3. if the perimeter of abcd is 32 find ab