Solve the system analytically.
5x + 5y - 10z = 7
z = 7
– X- y + 2z = 2
4x + y =

How many square feet of out door carpet will we need for this hole? 8ft 3ft 12ft 4ft

Find the y-intercept and x-intercept for the equation 5x-3y=60 what is the y-intercept

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0