Answer:
Circumference is about 185.26 cm.
Area is about 2732.585 
Step-by-step explanation:
Circumference = 2πr
2 x 3.14 x 29.5 = 185.26
Area of a circle = π
3.14 x 29.5 x 29.5 = 2732.585
Infinite
x=-5y+3 is the same as x+5y=3
Answer:
3
Step-by-step explanation:
7x-2y=3
7(1)-2(2)=3
7-4=3
3=3