The ratio of shells to driftwood Gus found is shown on the ratio table. Complete the ratio table to make an equivalent ratio.

Which value of c would make he following expression completely factored? 8x+cy

4+(2+x) can you me solve this problem

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”?