In a survey of 3005 adults, it was found that 81% used at least one prescription medication. Construct a 90% confidence interval estimate of the percentage of adults who use at least one prescription medication

Sherina wrote and solved the equation. x-56=230 x-56-56=230-56 x=174 what was sherina’s error? sherina’s work is correct. sherina only needed to subtract 56 from 230. sherina made a subtraction error when subtracting 56 from 230. sherina should have added 56 to both sides of the equation.

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

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.