Answer:
xy = 28
Step-by-step explanation:
The formula for inverse variation is
xy =k
If y = 4 and x = 7
4*7 = k
28 = k
The equation is xy = 28
c.12
Slope intercept form is y=2x+b
√27
use the pythagorean theorem
3²+x²=6²
9+x²=36
x²=27
√x²=√27
x=√27