The length of an intercept arc of a central angle of a circle is 4cm . if the radius of a circle is 5 cm what is the measurement of the central angle to the nearest whole number

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

(x-5)1/2+5=2 what is a possible solution?

Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?