Answer:
4 < x < 18
Step-by-step explanation:
Given 2 sides of a triangle then the third side x is in the range
difference of 2 sides < x < sum of 2 sides , that is
11 - 7 < x < 11 + 7
4 < x < 18 ← range of values for third side
Answer:
0
Step-by-step explanation:
Plug in -5 for x.
You get 
the 5s cancel and you are left with

which is equal to 0.
the clue is.. in 4 years Jenny will be twice as old. so Jenny is 4 in Ann is 1
Answer:5w^2 -2205
Step-by-step explanation:
simplify the product so (1) w mutiplied by w gives you w^2 . (2) 21 mutilplied by 21 gives you 441 . so now you would have 5( w^2 -441 ) (3) now you distribute 5 among the numbers so you should have 5w^2 -2205 .