Hours worked 19 hourly rate: $5.75 what is weekly pay

Find the greatest common factor of the polynomial: 10x^5+15x^4-25x^3 10x^5 x^3 5x^3 5

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”?

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)