Is the difference of the given values to the correct level of precision?
8.501 cm
–0.27 cm
a.8 cm
b.8.2 cm
c.8.23 cm
d.8.231 cm

i know its not d

It takes a total of 6 hours to fill up an inground backyard pool using a standard house. a function can represent this situation to represent the amount of water in the pool until it is full a function of time the hose is running. determine the domain for the function

Which of the following contains a variable?

Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line x = -1. a) y = 1 b) y = 3 c) y = 0 eliminate d) y = -3