Solving fractions and decimals

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

The total number of dental clinics total for the last 12 months was recorded

Find the equation of a line that is perpendicular to line g that contains (p, q). coordinate plane with line g that passes through the points negative 3 comma 6 and 0 comma 5 3x − y = 3p − q 3x + y = q − 3p x − y = p − q x + y = q − p