Adriel has 39 marbles, 15 more marbles than Osvaldo has. Which of the following equations can be used to calculate the number of marbles, n, that Osvaldo has?

Read the following two statements. then use the law of syllogism to draw a conclusion. if the tv is too loud, then it will give me a headache. if i have a headache, then i will have to rest.

Asphere has a diameter of 10 in. what is the volume of the sphere?

Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?