Answer:
1, 2, 3, 6,
Step-by-step explanation:
1*42
2*21 all = 42
3*14
6*7
the ratio is
miles/hour
= 230/4
= 115/2
so the ratio is 115:2
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20²+21² = x²
841= x²
x= 29
nearest tenth = 30
y=3/4x-4
The form is y=mx+b so isolate y
-4y=16-3x
y=-16/4-3x/-4