Determine the solution to the system of equations graphed below and explain your reasoning in complete sentences.

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”?

Find the missing factor. write your answer inexponential form.9^2=9^4×

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test