How many liters of a 20% alcohol solution must be mixed with 60 liters of a 90% solution to get a 30% solution?

Determine whether the quadrilateral below is a parallelogram. justify/explain your answer (this means back it up! give specific information that supports your decision. writing just "yes" or "no" will result in no credit.)

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

Asystem of linear equations contains two equations with the same slope. select all of the correct statements. i a. the system may have two solutions. - b. the system may have infinitely many solutions. c. the system may have one solution. o d. the system may have no solution. submit