solve each system using substitution. 5. y=2x+5 y=6x+1 6. x=y+7 y-8=2x 7. 4x+y=2 3y+2x=-1 8. 4x+9y=24 y=-1/3x + 2

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

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?

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field