Bob and james are finishing the roof of a house. working alone, bob can shingle the roof in 10 hours. james can shingle the same roof in 16 hours. how long will it take them working together to shingle the roof? round your answer to the nearest hundredth if necessary.

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

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?

The graph shows the amount of money noah earned based on the number of lawns he cut. which list shows the dependent quantities in the graph?