If C is between X and Y with YC=6 and XY=10,what is XC?

An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0