(help pls) Determine the domain of the function, and choose the correct interval and inequality notations. f(x) = 1/2x + 8

(urgent ) use pi 3.14 to estimate the circumference of the circle to the nearest hundredth middle is 4in (urgent )

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?