Answer:
domain is all real numbers, can also be written like this(-
,
)
Step-by-step explanation:
An equation: 2x=3
an expression: 2x+5
3.5555555556 / the third one
Answer:
25.1cm
Step-by-step explanation:
C=2πr
here radius, r=4 cm and π=3.142
Put values in formula.
C=2(3.142)(4)
C=25.1 cm (Rounded to 1 decimal place)
Answer:
50 + 100n
Step-by-step explanation:
The cost is the cost of the visit plus the cost of the cavities
50 + 100n where n is the number of cavities