I think you should combine like terms
Area = (1/2)*base*height
45 = (1/2)*base* 10
45 = base*5
45/5 = base
9 = base
base = 9
The length of the base is 9 units.
what do u need help w lol
In this question, there is no distributive law...
Distributive law is used when there are brackets:
ex: 2(3y+5z)
= 6y + 10z
If this is in a textbook, then it may be a 'trick' question.
A dekameter is = to 10 meters,
10x3=30
30÷1=30
Glenn can make 30 ribbon key chains.