Please answer this because i need it for test pls pls

A:  3 x 5 for all of them because it is base x height so it's 15km for each

B:  15 x 8 = 120km

C: 3 x 6(6 sides)(each side is 3km so mutiply) p=18

D:  18 x 5 = 90km

i do not know the answer i am sorry

the inequality is:

250c+180g≥950

step-by-step explanation:

let c denotes the number of days in a week   miyoko worked as a cryptographer.

and g denotes the number of days in a week she works as a geologist.

now we are given that she earns $250 for every day she works as a cryptographer,and earns $180 for every day she works as a geologist.

now miyoko's goal is to earn more than $950 this week.

hence, the inequality could be represented as:

250c+180g≥950