2. Kiyoshi has three quarters, five dimes, and one 22 nickel in her piggy bank. Identify Kiyoshi's total amount of money and the operation used to calculate it.
A/$1.10. addition
B/ $1.10, subtraction
C/$1.30, addition
D/$1.30, subtraction

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours

Which type of graph would allow us to compare the median number of teeth for mammals and reptiles easily

What is the radical expression that is equivalent to the expression 27 1 over 5?