What is the determinant of the coefficient matrix of the system ? –7 –2 –1 0

Brent works part-time at a clothing store. he earns an hourly wage of $15. if he needs to earn more than $45 in a day and works for x hours a day, which inequality represents this situation? a. 15x > 45 b. 15x < 60 c. x > 60 d. 15x < 45 e. x < 60

The sum of two numbers is 86, and their difference is 20. find the two numbers

The table represents a linear function. what is the slope of the function? –6 –4 4 6