Answer:
look at the picture i have sent
The answer is B, (-10,-2) , (6,6)
Step-by-step explanation:
Find out the expressions for the number of sweets sue and tony have now .
To proof
As given
Sue has 18 sweets. tony has 18 sweets.sue gives tony x sweets
thus
sue sweets = 18 - x
Tony sweets = 18 + x
As given
Sue then eats 5 sweets. Tony then eats half of his sweets
sue sweets becomes = 18 -5 -x
= 13 - x
Tony sweets become= 18 + x /2
= 9+ x/2
hence proved.
Hence proved
Answer:
Explained below.
Step-by-step explanation:
The formula for average rate of change is:

1.
=
=
=
= 70
2.
=
=
=
= 35
3.
=
=
=
= 60
4.
=
=
=
= 20
5. Their average speed was the greatest during the first to second hour.
6. Their average speed was the least during the eight to tenth hours.
7.
=
=
=
= 38.89 or 38.9
Hope that helps!
Answer: 12n-10= -58
+10. +10 (add to both sides)
12n. = -48
÷12. ÷12 (isolate variable)
n. = -4