Please help quick Solve the following compound inequality.

5x+7 is less than or equal to -3 OR 3x-4 is greater then or equal to 11

OPTIONS:
a. x is less than or equal to -15 OR x is greater than or equal to 12
b. x is greater than or equal to 5
c. x is less than or equal to -2 OR x is greater than or equal to 5
d. -2 is less then or equal to x is less than or equal to 5

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?

Simplify this expression. 8x 16(x + y)

What is the equation of a line that passes through points (0, 4) and (-4,-8)?