Answer:
A =363 cm^2
Step-by-step explanation:
A = π r^2
r = 11.3
Rounding to the nearest whole number
r =11
pi = 3.14
pi = 3
A = 3 * 11^2
A = 3 *121
i do believe the answer is 18
7000
20,000
7x+20 = 5x+100
2x = 80
x=40
5(40)+100=20,000
z = -5
3(0.7z + 2.8) = 7(1.5z + 7.2)
2.1z + 8.4 = 10.5z + 50.4
2.1z - 10.5z = 50.4 - 8.4
-8.4z = 42
z = 42/(-8.4)
It’s b
