Answer:
A) 14
Step-by-step explanation:
Take the width: 6 and multiply it 3 times because it says triple.
That gives you: 6 * 3 = 18
Then subtract 4 because it says four inches less than.
That gives you: 18 - 4 = 14
Answer:
45
Step-by-step explanation:
Answer:
2)

collect like terms

move the constant to the right hand side and change its sign.

Subtract the numbers

Divide both sides of the equation by 8

Answer:
5 meters
Step-by-step explanation:
A=a+b/2*h
40=10+6/2*h
40=8h
h=5