2.000 electric bulbs arc installed in various offices of an organization. The bulbs have a mean life of 1,000 working hours with a variance of 40.000 hours. Now many bulbs may fail between 800 hours and 1.100 working hours?

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles.

Which graph represents the following piecewise defined function?

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