Ari bought a dvd that originally cost $15 on sale for 20% off. the sales tax is 5%. how much did ari pay for the dvd, including tax.

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

Acompany manufactures large valves, packed in boxes. a shipment consists of 1500 valves packed in 75 boxes. each box has the outer dimensions 1.2 x 0.8 x 1.6 m and the inner dimensions 1.19 x 0.79 x 1.59 m. the boxes are loaded on a vehicle (truck + trailer). the available capacity in the vehicle combination is 140 m3. each valve has a volume of 0.06 m3. - calculate the load factor on the box level (%). - calculate the load factor on the vehicle level (%). - calculate the overall load factor (%).

What is the radical expression that is equivalent to the expression 27 1 over 5?