Answer:
x = 
Step-by-step explanation:
Given
A = 4xy ( isolate x by dividing both sides by 4y )
= x
X(-9x+10)+11=12x(-6x+1)
-10x+10+11=6x+1
-10x+21=6x+1
-16x+21=1
-16x=20
x=-1.25
Answer:
$40
Step-by-step explanation:
$1 for $5
$? for $200
= 200*1/5
First convert both distances to the same unit.
1 mile is 5280 feet or 1760 yards.
Subtract 1760-880 and get 880 yards.
Noah swam 880 yards further than Liam ran.
28 km
We calculate the circumstance by multiplying the diameter by Pi. Therefore to get the diameter we need to devide the circumstance by Pi