Answer: all real numbers
Step-by-step explanation:
the domain for any function is always, all real numbers or in other words, negative infinity to positive infinity.
You multiply 3.14 by the diameter or 2 times the radius
for area you do pi or 3.14*radius squared
Answer:
not really sure can’t see the problem to good but C?
Step-by-step explanation:
hope this helped tho. cross multiple (btw if you search it on google it will help you)
Answer:
Step-by-step explanation:
4x+y=14
x-2y=8
then;
x=8-2y
substitute;
4(8-2y)+8-2y=14
32-8y+8-2y=14
40-10y=14
26=10y
y=2.6 , work out 4x+2.6=14 to get x