Answer:
8 feet
Step-by-step explanation:
Let l and w be length and width, respectively. Then:
lw=144 and
l=w+10
So:
w(w+10)=144
w²+10w-144=0
(w+18)(w-8)=0
w=8 as the width ................
20%of £800 is 800÷5 =160
800 + 160 =960
Multiply first equation with 2. Then add first and second, we get -x=6. X=-6 and y=-29
Answer:
y=-x+3
Step-by-step explanation:
rise/run
-1/1
-1
Answer:
4
Step-by-step explanation:
