X-y=1 ,x+z=-4, ,y-z=1

Ou work as a cashier for a grocery store and earn $5 per hour. you also mow lawns and earn $10 per hour. you want to earn at least $50 per week, but would like to work no more than 10 hours per week. which system of inequalities, along with y ? 0 and x ? 0, would you use to solve the real-world problem?

Is this inappropriate language,” i am something. but what i am,and what i’ll be,are two countries at war at present”? ? if so,how can i write it in formal

Aprediction is the process of forecasting what will happen based on your experiences and evidence true or false