Please help. NO LINKS OR FILES. Thank you. Write and simplify an expression that represents the perimeter of the parallelogram.
One side of the perimeter is 6x+4 and the other side is7x-2

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?

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?