Answer:
60
Step-by-step explanation:
One way of doing this addition mentally would be to round up 46 to 50 and round down 14 to 10. Adding 50 and 10, we get 60, which is in this case the correct sum.
The answer is c the third one
x = 3
- 4 = x - 7
- 4 + 7 = x
Length and width of the yard are and .
6x-8=2x+4
6x-2x=8+4
4x=12
x=3
10
3a+b - 4
Let a =3 and b = 5
3(3) +5 -4
Multiply
9+5-4
Add and subtract
14-4
