Answer:
6
Step-by-step explanation:
113,04=3,14×r²
113,04/3,14=r²
*√ both sides*
=6
5 because you need to do 15/1 x 1/3
Answer:
( 5x+3y=7. < 3x - 5y = -23 you can use many ..
Step-by-step explanation:
hopefully its right
Answer:
y = 8
Step-by-step explanation:
11y + 4y + 60 = 180
11y + 4y = 120
15y = 120
y = 8