HELP
Are the parallelograms above similar? Why or why not?

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?

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

The experience c-0.25c can be used to find the cost of an item on sale for 25% off which expression beloit equivalent to c-0.25c