Me! 44 points and will mark brainliest the graphed line shown below is y=-2x-8 which equation, when graphed with the given equation, will form a system that has infinitely many solutions? a y=+8) b y= -(2x-8) c y=-2 (x-4) d y= +8)

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”?