Answer:
Step-by-step explanation:
c+a=20
a=20-c
5.25c+7.75a=140, using a from above makes this
5.25c+7.75(20-c)=140
5.25c+155-7.75c=140
-2.5c+155=140
-2.5c=-15
c=6
a=20-c=20-6=14
So she bought 14 adult and 6 children tickets.
True I think. Because the sides are all congruent
Answer:
B
Step-by-step explanation:
When it's parallel that means it has the same slope. The slope of this equation is 1/2 therefore the answer is B
Answer:
Step-by-step explanation:
i used desmos
Answer:

Step-by-step explanation: