Use substitution method to solve                                    (3mks)

3y + 2x = 13

2y - 3x = 0                                                                                                                

A straight line passing through A (-2,1) and B(2,-k). The line is perpendicular to a line   3y + 2x = 5. Determine the value of k and hence the equation passing through A and B. (3mks)

Solve for x.                                           (3mks)

Calculate the volume of a sphere of radius 9cm.                (3mks)

Using a pair of compasses and a ruler only construct a triangle ABC such that AB= 4cm,BC = 6cm and angle ABC = 135°.                              (3mks)

Simplify:                                   (3mks)

Calculate the area of the shaded region given that the radius is 27cm.                 (4 mks)

Simplify the following expression                                    (3 mks)

The interior angle of a regular polygon is 150⁰.  Find the  value of n.          (3 mks)

Factorize the quadratic expression    x² + 6x + 9                                               (3mks)