Is -√16 rational o irrational?

If you shift the linear parent function, f(x)=x, up 13 units, what is the equation of the new function?

Marlow is comparing the prices of two trucks rental compaines company a charges $3 per hour and an addtional $75 as serivce charges company b charges $2 per hour and an additional $85 as serivce charges

Julie was able to walk 16 km through the zoo in 6 hours. how long will it take her to walk 24 km through the zoo?