These are stumping me in my extra practice. Can anyone answer these for me and explain the process?

my answer is$ 12

step-by-step explanation:

because 15 -2=12

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

my answer got deleted but it's a

step-by-step explanation: