What is the place and the value of the digit 7 in this problem 28,467,089

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?

Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2

Which function has the domain x> -11