Answer:
its a combination problem, so in your calculator put 9 nCr 4 and you'll get 126. i hope this helps. :)
Step-by-step explanation:
the cost of the eggs
cost (x) = x*price
this is an example of a proportional cost relation with the size been x
Answer:
The circle is important when constructing equilateral triangles because it can allow one to draw an accurate triangle while not having a ruler to measure it out.
Step-by-step explanation:
Answer:
103
Step-by-step explanation:
it has to add up to 180 so
180-77=103
Step-by-step explanation:
14÷2=7
18÷2=9
for the first equation
14/y=7
cross multiply will be
7y=14
divide both sides by the co efficient of y which is 7
y=14÷2
y=2
same step for the second equation
