There are 17 girls and 23 boys what is the ratio

Which of the following tables represents exponential functions?

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?

Prove that 16^4-2^13-4^5 is divisible by 11.