I think you just have to add all of the totals up??
Answer:

Step-by-step explanation:
Given

Required
Solve
First, convert 180lb to kg


-- to 1dp
Next, convert 12oz to kg


--- to 1 dp
So, the expression becomes:



Hence:

Answer:

Step-by-step explanation:





<h3>Hope it is helpful....</h3>
Answer:
(-9,2)
(3,-6)
(6,-8)
(9,-10)
Step-by-step explanation:
y=-2/3(9)-4
y=-2/3(3)-4
y=-2/3(6)-4
y=-2/3(9)-4
Answer:
One solution
Step-by-step explanation:
As a generalization: an equation of degree n has n solutions. A quadratic equation has the second degree and thus two a solutions; a third degree equation has three, and so on. Thus, a first degree (linear) equation has one solution.