The value of square root -9 is not -3 because

IT HAS THE NEGATIVE SIGN BY THE 9

Step-by-step explanation:

The value of square root -9 is not -3 because -9 is a negative number which will then have to be turned into a postive. So, the square root of -9 is 3.

Step-by-step explanation:

answer: it's a

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