A barrel holds 60 gallons of liquid. The barrel is leaking at a steady rate of 1/8 of gallon per hour. After how many days will the barrel be half filled? A. 10 days
B. 5 days
C. 24 days
D. 48 days

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4

What is the value of x enter your answer in the box (3x+50