Find the number(s) with the following property: two times the sum of 18 and a number is 8 greater than nine times the same number.

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

Which statement best explains why ben uses the width hi to create the arc at j from point k

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.