Photography world has a portrait special. a three-pose portrait package has a sitting fee of $35, and a six-pose package has a sitting fee of $60. on a saturday, $690 was collected in sitting fees. which equation can be used to represent x, the number of three-pose portrait packages and y, the number of six-pose portrait packages? a.    360x  + 105y  = 690b.    35x  + 60y  = 690c.    105x  + 360y  = 690d.      60x  + 35y  = 690

Which description is represented by a discrete graph? kiley bought a platter for $19 and several matching bowls that were $8 each. what is the total cost before tax? the temperature at 9 a.m. was 83° f and is heating up at an average rate of 6°f per hour. what is the temperature x hours later? juan ate an egg with 78 calories and some cereal with 110 calories per serving for breakfast. what is the total amount of calories he consumed? a bottle contained 2,000 ml of liquid and is being poured out at an average rate of 300 ml per second. how much liquid is left in the bottle after x seconds?