Step-by-step explanation:
so for this one u do

231 the times it by 2 for the both sides
231×2=462 cm2
hope this make sense :)
Answer:
the exterior angle of a triangle is equal to the sum of two interior opposite angles.
hope this answer will help you
have a great time
Answer:
18 hours
Step-by-step explanation:
9.99+x1.5=36.99
x=18
18*1.5=27
9.99+27=36.99
A. They are both proportional because they have the same ratio.
b. The two graphs are the same because they have a constant rate of change (50), but they have different y-intercepts.
Answer:
Step-by-step explanation:
you just need to add both equations
you will get 3y=12+6=18
3y=18
y=6
now replace y=6
3x+12=6
3x=6-12
3x=-6
x=-2
(-2,6)