Answer:
-70 is the correct answer
Step-by-step explanation:
To add fractions, find the LCD and then combine
Answer: 
Step-by-step explanation:
The solution to the graph of a system of equations is where they intercept. Here, it is at about
.
the greatest common factor between 13 and 39 is 13
Answer:
3d figures - "a three-dimensional shape can be defined as a solid figure or an object or shape that has three dimensions – length, width and height. Unlike two-dimensional shapes, three-dimensional shapes have thickness or depth." -Google
Some Examples are...
- cones
-cylinders
-cubes
-sphere
Hope this helps!