4 12 18
:) fun little riddle
A because 2x9 equals 18 and 9x2 equals 18
Answer:
y= 
Step-by-step explanation:
To find inverse of something, just switch the variables
x=y^2
now try to solve back in terms of y
y= 
Answer:
a. 254.34, b. 56.52
Step-by-step explanation:
a. A = πr^2,
A = 3.14(9^2)
A = 3.14*81
A = 254.34
b. C = πd
C = 18*3.14
C = 56.52
Answer:
5x-5x+8=2
Step-by-step explanation:
substitute y with -5+8