Answer:
40%
Step-by-step explanation:
18+12+20=50
20/50×100=
40%
Answer:
6+7=13
13+8=21
32+21=52
11+34=46
31+03=34
Step-by-step explanation:
im not sure in the 31+03
Answer:
The sum is x^2 + x, the product is x^3.
Step-by-step explanation:
Adding x^2 and x leaves no like terms, so no simplification is required.
Multiplying gives x^2*x, which is x*x*x, which is then x^3