The combined volume of all the tanks at an aquarium is 1.25×106 gallons. the aquarium plans to install a new dolphin tank with a volume of 250,000 gallons. what will be the total volume of all of the tanks at the aquarium after the new dolphin tank is installed?

This is different from the first one can someone me

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

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?