Answer:
-3/5 = -0.6
-5/8 = -0.625
Step-by-step explanation:
I most definitely did not use a calculator.
(-1,-4) this is saying that when x=-1, y=-4. Plugging it into the line equation y=4x gives

Which is correct.
Answer:
y=11 x=-10
Step-by-step explanation:
Y:
Add 3 to both sides. Then divide by 9 on both sides.
X:
Subtract 11 from both sides. then divide by -3 on both sides.
Hope this helped
Answer:
10:40
Step-by-step explanation:
3x4 = 12
4 x 4 = 16
5 x 4 = 20
so 10 x 4 = 40 (10:40)