Express 8x + 4y = 48 in the slope-intercept form. y = _x + _

Acircle has the equation (x-2)^2 +y^2 =5. what are the coordinates of the circle's center?

What is the distance between the points 4,10 and -3,-14 on the coordinate plane

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?