4x + 3y + 3z – 3t = 6
7y + 2z – 12t = 9
Which of the following matrices represents this system?

Does the construction demonstrate how to copy an angle correctly using technology a) yes the distance between points a and f was used to create circle h b) yes the distance between points f and g was used to create circle h c) no the distance between points a and f was used to create circle h d) no the distance between points f and g was used to create circle h

Which graph of a hyperbola represents the equation 16x^2-y^2=16

You work in a hospital that has 9 floors. you need to see 3 patients on each floor. how many patients do you need to see in all?