Answer:
3
Step-by-step explanation:
These are like terms, meaning that they are completely the same disregarding the coefficient.
To combine like terms, add the coefficients.
16+(-12)=4
Final answer: 4x
Answer:
The perimeter of triangle CDE is 34.
Step-by-step explanation:
To find the perimeter of a triangle, you have to add all the sides together, since this looks like a isosceles triangle, you would make side ED also 12 and then just add them all together.
12+12+5+5= 34.
Answer:
It cannot
Step-by-step explanation:
The hypotenuse is always the longest side, which in this instance of the left triangle, it is 14
If x were to be 10, this would make line KM to be 15 units long, (10 + 5)
Despite line LM being unknown, x must have a number below 10 (, and 9) to make it possible