Answer:
angazii ukuthii ngingaku siza kanjanii lahh
X=9
3x-12=x+6
2x-12=6
2x=18
X=9
7.855 mm maybe the answer unless rounded to the tenths place to be 7.9 mm.
Answer:
Matt's team
Step-by-step explanation:
Sarah's team finished in 1 hour and 30 min
Matt's team finished in 1 hour and 15 min
Y = x + 4
y = -2x - 2
x + 4 = -2x - 2
x + 2x = -2 - 4
3x = -6
x = -6/3
x = -2
y = x + 4
y = -2 + 4
y = 2
solution is (-2,2)