In the diagram, BCDE is a circle with centre A. ∠BCD = (2x + 40)°, ∠BAD = (5x - 35)º, ∠BED = (2y+ 10)° and ∠ADC=40". Find: (a) the values of x and y;

A weaver bought a bundle of grass for $ 50.00 from which he made 8 mats. If each mat was sold for $ 15.00, find the percentage profit.

Change 432five to a number in base three.

Evaluate 23 x 54 (mod 7)

If 43x = 16x+1 , find the value of x

If √24 + √96 - √600 = y√6, find the value of y

Given that A and B are sets such that n(A) = 8, n(B)=12 and n(AnB) =3, find n(AuB).

Find the 17term of the Arithmetic Progression (A.P):-6,-1,4

Evaluate, correct to four significant figures, (573.06 x 184.25).