Answer:
Step-by-step explanation:
3x + 18 = 30
3x + 18 -18 = 30 - 18
3x = 12
x = 4
Answer:
500 meters
Step-by-step explanation:
1km=1000meters so 0.5km=500m
Answer: B= EF
The long side is always the hypotenuse
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X/3 > 7 <== ur equation
multiply both sides by 3
x > 7 * 3
x > 21 <== ur solution