Jacob buys a watch costing £84 This cost includes VAT at a rate of 20%.

How much is the watch without VAT?

Atriangle includes one angle that 72º. which pair could be the measures of the other two angles of the triangle? a. 9º, 9º b. 26º, 46º c. 53º, 55º d. 72º, 108º

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

Is the power produced directly proportional to the wind speed, give reasons for your answer?