Mr. Lawrence tutored 5 students prior to the last math test. The table below shows the grades the students made. What is the mean absolute deviation of the grades rounded to the nearest hundredth? Grades
86 60 72 94 100

Diane owes $387 to her brother. if she debits her bank account $161.25 a month to pay him back, how many months will it take her to pay off the debt?

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)

You are living in aldine, tx and you are planning a trip to six flags in arlington, tx. you look on a map that has a scale of 0.5 inches to 30 miles. if the map shows the scale distance from aldine to arlington is 4 inches, how far is the actual distance?