Expand and simplify : 3(2x+1)+2(x+3)

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

What is the solution to the equation in the & show work i’m very

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”?