Twice the sum of 'x' and '4' is six less than the quotient of 'q' and '9'

Aresearch company wants to test the claim that a new multivitamin to improve short term memory. state the objective of the experiment, suggest a population, determine the experimental and control groups, and describe a sample procedure.

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?

The verbal translation for the difference of m and 7 increased by 15