A computer system valued at $1500 three years ago is now worth $600. Find the percentage decrease in the value or the computer system? 100 point answer please use the formula (P)(T)=A and show how you plugged everything in

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15

Askate shop rents roller skates as shown on the table below. which graph and function models this situation?

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