A circular table top has a radius of 85 cm. A force of 630 N is applied to the whole table top.
Calculate the pressure in N/m2 to 4sf.

The variable z is directly proportional to x, and inversely proportional to y. when x is 4 and y is 13, z has the value 1.2307692307692. what is the value of z when x= 9, and y= 20

John bought 2 horses at rs 20000 each

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