How to solve this one

Describe the domain and range of y=2(3)^x-2+5

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog

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?