Sum of two sides always greater than the third side
If c is the smallest number, then
5 + c > 7
c > 2
If c is the largest number, then
5+7>c
12>c
Adding c>2 and 12>c, you get 12>c>2 for the answer
You need to expand the brackets eg.
(w-9)8 basically means 8 x (w-9) = 8w-72
Answer is D:
e + 5 = 3e - 11
2e = 16
e = 8
Ella is 8 years old
Jamie is 8+5 = 13 years old
(-3,2)
Explanation: u just have to find the point where the two line intersects to each other
