1. C
2. B
Good luck with the rest
1)Calculate the product:
21a + 10a - 3a
2)Collect like terms:
28a
Answer:
28a
Answer:
17.52
Step-by-step explanation:
literally 11.6 x 1.51 and then round to hundredth place
Answer:
I'm too tired to explain, here's some digital work on a site called Symbolab:
Given:
A triangle has side lengths of (7.8v+2.6) centimeters, (5.3v+4.5) centimeters, and (2.4w-6.7) centimeters.
To find:
The expression which represents the perimeter, in centimeters, of the triangle.
Solution:
We know that
Perimeter of a triangle = Sum of length of all sides of the triangle

Now, combine like terms.


Therefore, the expression for perimeter, in centimeters, of the triangle is
.