Its showing up as weird stuff so the question is below
Which expression is equivalent to

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?

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section

What is the greatest number of parts of a circle that can be formed by cutting the circle with 7 straight cuts? (note: the parts do not have to be equal in size)