Sarah paid a food bill of $13.74 with a $20 bill. how much change was she owed? a. $6.74 b. $5.26 c. $6.26 d. $33.74

5500 dollars is placed in an account with an annual interest rate of 6.5%. to the nearest tenth of a year, how long will it take for the account value to reach 19700 dollars?

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.