Since m is equal to slope your m is -1/3 then you put the x after. Your b is the y intercept so your equation is y=-1/3x+7
So (a) stands for adult and (c) is for child.
10a+5c=1200(total cost)
a+c=170(for tickets sold)
There are 70 adult tickets and 100 child tickets.
Answer to first one is X = 9
Answer to second one is X = 35
Answer:
=15x-7-23+2
=-8x-7+2
=-8x-5
Step-by-step explanation:
Answer:
Step-by-step explanation:
Formulas to know:
- Area of a circle:
- Circumference of a circle:
Since we know the circumference, we can use formula for the circumference of a circle to find the circle's radius:
Now we can plug in 
into the formula for an area of a circle:
