What is the equation for this problem? In a den are three lamps of equal size , a radio that uses one-third the number watts used by a lamp , and a heater that uses fifteen times as many watts as a lamp when all are in use the total electrical power is 1.1 kilowatts how many watts does the radio use? (1 kilowatt=1,000 watts)

Two friends went to get ice cream sundaes. they each chose a flavor of ice cream from a list of vanilla and chocolate and toppings from a list of hot fudge, strawberries, sprinkles, peanuts, and whipped cream. use the sets below describing their choices and find b'. let a = {vanilla, chocolate, hot fudge, strawberries, sprinkles, peanuts, whipped cream} let b = {vanilla, hot fudge, sprinkles, whipped cream} let c = {chocolate, hot fudge, peanuts, whipped cream} {vanilla, hot fudge, sprinkles, whipped cream} {chocolate, strawberries, peanuts} {chocolate, strawberries} {vanilla, strawberries, peanuts}