Ayearbook company promises to give the junior class a picnic if they spend at least $28,000 on yearbooks and class rings. each yearbook costs $35 and each class ring cost $140. the situation is represented by y greater than or equal to -1/4x+200

(a) how many class rings would they need to sell if they sold 320 yearbooks?

(b) give one possible combination of yearbook sales and ring sales that will allow the class to have picnic.

(c) if the juniors sell 240 yearbooks and 120 class rings will they be able to have the picnic?

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/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?

The function show two sisters' savings account and the rate at which they plan to deposit money

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.