Answer:
42 is an area
Step-by-step explanation:
Answer:
10+2x= the sum (anything could be put here)
Step-by-step explanation:
Well sum is automatically addition
Doubleing a number is basically multiplying it by 2
so
10+2x= whatever youw ant to put here
Answer:
A -2V7
Step-by-step explanation:
you just have to subtract the coefficients
3-5=-2
-2V7
1
Mark brainliest please
Hope this helps you