The loudest sound measured one night during a hockey game was 112 db. the loudest sound measured during a hockey game the next night was 118 db. what fraction of sound intensity of the second game was the sound intensity of the first game? mc021-1.jpg l = loudness, in decibels i = sound intensity, in watts/m2 i0 = 10–12 watts/m2 0.25 0.78 0.95 0.99

/is used for a fraction 1) if x = 2/3 and y = 3/4, what is the value of (x + y) (x/y) expressed as a common fraction? 2) what is the least positive integer greater than 1 that leaves a remainder of 1 when divided by each of 2, 3, 4, 5, 6, 7, 8, and 9? 3) the ponde family's powerjet pumps 420 gallons of water per hour. at this rate, how many gallons of water will it pump in 45 minutes? 4) kim's insurance company pays 80% of the cost of all prescription medication she purchases in a year beyond the first $250 worth of prescriptions. her prescriptions for this year cost a total of $570. how many dollars of this amounts will kim's insurance company pay?

For each polynomial, determine the degree and write the polynomial in descending order. a. –4x^2 – 12 + 11x^4 b. 2x^5 + 14 – 3x^4 + 7x + 3x^3

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?