20 – 4/5 x ≥ to 16

which of the following inequalities is equivalent to the inequality shown above?
16

a. x ≤ 5
b. x ≥ 5
c. x ≤ 65/2
d. x ≥ 65/2

What is the slope of the line shown below?

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

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?