Andrew's sandwich consists of 20 gram piece of cheese a 60 gram piece turkey and two 30 gram slices of bread. what is the total weight of andrew's sandwich in kilograms?

True or false? a circle could be circumscribed about the quadrilateral below.

Solve the system of equations. 2x-2y=-4 and x+y=8. show work

The john nash mall used 17,4000 kilowatt hours in may, with a peak load of 92 kilowatts. the demand charge is $5.95 per kilowatt, and the energy charge is $0.08 per kilowatt hour. the fuel adjustment charge is $0.017 per kilowatt hour. what is the total electricity cost for may?