Answer:
a. Jake told the negative value of the expression which cannot be equivalent to the original expression.
b. 10 - 
g
Step-by-step explanation:
a. The given expression is: 
Multiplying through out by -, we get:
which was the expression given by Jake. Since, it is the negative of the original one, they cannot be equivalent.
b. 
Hence, the answer.
Answer: x=20
all angles in the triangle are 180 degree, so:
2x+3x+4x=180
9x=180
divide both sides by 9
x= 20
Answer:
length: 2
width: 2
height: 2
Step-by-step explanation:
I'm assuming this is for a rectangular prism, because you didn't provide a picture.
