Answer:
200
Step-by-step explanation:
Step-by-step explanation:
-5(4a) = (-5a)4
(By commutative property of multiplication)
Answer:
b = 
Step-by-step explanation:
Multiply through by 3 to clear the fractions.
4b + 6 = 12 - b ( add b to both sides )
5b + 6 = 12 ( subtract 6 from both sides )
5b = 6 ( divide both sides by 5 )
b = 
The area of the triangle is 270 centimeters. The way that I found that out is the equation 30x18/2