Answer:
Step-by-step explanation:
area πr²=28.26
r²=28.26/π
r=√(28.26/π)≈ 9cm
Answer:
18
Step-by-step explanation:
a = 2
b = 3
3x(2)x(3)=18
Answer:
1.11/39
Step-by-step explanation:
Answer:
x=7
Step-by-step explanation:
(12x+1))+(5x-3)=117
conbine like terms
17x-2=117
+2 +2
17x=119
/17 /17
x=7
Answer:
y = -2x
Step-by-step explanation: