Question

The functions :
y=30-x
y=2x
intersect at:
a: (10,20)
b: (15,15)
c: (15,30)
d: (5,25)

Answer 1

x=10
y=20
so (A)
c=

Answer 2

can i get a medal c=

Answer 3

y=y
30-x=2x
3x=30
x=10
y=20
(10,20)

Answer 4

yes that is good

Answer 5

Do you agree also?

Answer 6

yes but a cores lol

Answer 7

c=
thank you