Which are the solutions of the quadratic equation?
x2 = 9x + 6
-
105-
+ V105
-9 - V105 - 9+, V105
-9 =157 -9 + 157
9 - y105 9 + y105
9-457 9 + 157

What is the difference between the points (4, 7) and (4, -5)? a. 0 units b. 2 units c. 4 units d. 12 units

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.