8. Which monomial is equivalent to (4x^5)^2
(1) 16x^7?
(3) 8x^7
(2) 16x^10
(4) 8x^10

22. catie is starting a babysitting business. she spent $26 to make signs to advertise. she charges an initial fee of $5 and then $3 for each hour of service. write and solve an inequality to find the number of hours she will have to babysit to make a profit. interpret the solution.!

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?

15. if the 8% tax on an item amounts to $0.96, what is the final price (tax included) of the item?