A study was completed in california. in northern california the, the study involved 1,000 patients, 74% of them experienced flulike symptoms during the month of december. the study had a margin of error of 3.2%. what does that mean for the study?

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?