Answer:
square= bh or s^2
rectangle= bh
triangle= 1/2 bh
Step-by-step explanation:
Make sure u know the different formulas
Answer:
it makes no scence to me so Im sorry but I hope can understand it more than me
Step-by-step explanation:
Multiply the second equation by 3
-4x+9y=9
3x-9y=-18
add the equations together
-x=-9 Simplify
x=9
now plug in your x value
(9)-3y=-6 Simplify
-3y=-6-9
-3y=-15
y=5
Answer:
12
Step-by-step explanation:
The proportion is equal to 
We can simplify the right side by dividing by 7/7 to get the right side equal to 6/5. Now we can cross-multiply to get

Dividing both sides by 5, we have the answer as
