1, Paul Durant invested $10,000 at 6 percent compounded daily for 4 years and $10,000 at 6 percent compounded monthly for 1 year. What is the interest
6
earned for 1 year on each investment? What is the effective annual yield for
each investment?

I’m stuck on this i don’t understand.

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”?

Given the median qr and trapezoid mnpo what is the value of x?