The marked price of a bicycle is RS.2000.If the shopkeeper allows some discount and a customer bought it for RS.1921 including 13%vat, how much amount was given as the discount?

The level of co2 emissions, f(x), in metric tons, from the town of fairfax x years after they started recording is shown in the table below. x 2 4 6 8 10 f(x) 26,460 29,172.15 32,162.29 35,458.93 39,093.47 select the true statement.

The average length of a king cobra is 3.7 m. the record length is 1.88 m longer than the average. how long is the record holder?

(-y to the power of 2 - 4y- to the power of 2 -6 y +3)