Answer:
first one : x=−2y−5z−17
2nd one: x=
3
/2
y−z−8
3rd one: x=
−1
/3
y+
1
/3
z+1
Step-by-step explanation:
Answer:
Gradient: m = 3
Step-by-step explanation:
m = change in y/change in x
m = 
m = 
m = 12/4
m = 3
Answer: 341 + 35 = 376
Step-by-step explanation:
Answer:
2,7
Step-by-step explanation:
2 hours = 120 minutes. Divide 120 by 2, which is 40. So she has 40 minutes for each assignment