When dates are written as month/day, like today is 5/20, what is the probability a randomly selected day contains a ‘1’ in the date? (Standard 365 day year)

A. 43%
B. 61%
C. 53%
D. 31%

Write each improper fraction as a mixed number. 9/4. 8/3. 23/6. 11/2. 17/5. 15/8. 33/10. 29/12.

Use the squared identities to simplify sin^2x cos^2x

Which account has the highest effective annual interest rate? not necessary but show how you got your answer. a. account 1: interest is compounded quarterly at an annual rate of 4.20%.b. account 2: interest is compounded monthly at an annual rate of 4.15%.c. account 3: interest is compounded semiannually at an annual rate of 4.10%d. account 4: interest is compounded annually at a rate of 4.25%.