Ahemispherical bowl of radius 9 inches is filled to a depth of h inches, where 0less than or equals hless than or equals9. find the volume of water in the bowl as a function of h. (check the special cases hequals 0 and hequals 9.)

Find the value of the variable and the length of each secant segment.

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days

1. evaluate 8x(2)y9(-2) for x=-1 and y=2 2. simplify the equation. -() 3. simplify the expression. [tex]\frac{5}{x(-2) y9(5)}[/tex]