An epidemiologist wants to estimate the proportion of residents in her city that carry the hepatitis a virus. it is thought that the proportion is approximately 46%. how large a sample of residents should be taken to estimate the proportion who carry the hepatitis a virus to within 8 percentage points with 95% confidence?

Eric has challenged himself to walk 24,000 steps in 4 days. if eric walks the same number of steps each day, which function represents the number of steps eric still needs to walk to reach his goal with respect to the number of days since he started his challenge? a. y = 8,000x − 24,000 b. y = -8,000x + 24,000 c. y = 6,000x − 24,000 d. y = -6,000x + 24,000

Give all possible names for the line shown.calculation tip: lines can be written with either point first.

What number is 7 units left of -15?