6x^3 a negative times a negative cancels out making it positive
Answer is in the file below
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Answer:
x =68
Step-by-step explanation:
We know that x+22 = 90 because the sum of the two angles is a vertical angle to the right angle and vertical angles are equal.
x+22 =90
Subtract 22 from each side
x+22-22 = 90-22
x =68
Answer:
30 km
Step-by-step explanation:
7½ litres → 225 km
1 litre → 225 ÷ 7½ = 30 km