PLEASE HELP THIS IS DUE IN A COUPLE MINS what number must you subtract from -13 to get a difference of 0? so i know the answer to this part; its -13 but i dont know how i got that answer like i dont know how to explain it please help :sob:

56

step-by-step explanation:

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

step-by-step explanation:

the shape,the size and the distance