Answer:
324?
Step-by-step explanation:
Answer:
2.8
Step-by-step explanation:
using cosine rule
= 
s =
= 2.842 = 2.8
The lines have equal gradients;
m

Equation of line 2;
y=mx+c
y=

x+c
-15=

+c
c=-11
y=4/5x-11
Answer:
42
Step-by-step explanation:
Shanice =88
If greg won x pieces of gum, and 88 was 4 more than twice as many as Greg
2x+4=88
2x=84
x=42
Let x=3.77777777...
10x=37.777777777...
9x=10x-x=34
9x=34 so x=34/9=3 7/9