The diagram shows a rectangular plot of land. The shaded part represented by a rectangle and a trapezium are regions planted with grass.

Find the area, in terms of a and b, of the region that is not planted with grass.

(a)  

The diagram shows a rectangular plot of land. The shaded part represented by a rectangle and a trapezium are regions planted with grass. 
Calculate the area of the region that is not planted with grass if  $a=3$  and  $b=2$ . 

(a)  

The diagram shows the surface of a rectangular tile, PQRS.

Calculate the value of x and y.

[Write your answer like this: x=__,y=__ without any space]

(a)  

Determine the value of  $y$  for linear inequalities  $y>-1$  and  $4>4y.$   

(a)  

Given that  $k=10,$  $m=1$  and  $g=4.$  Find the value of  $\frac{2}{5}\left(k-5m\right)+2g.$   

(a)  

Given that  $x+y=8$  and  $2x-y=1,$  then  $x=?$  

(a)  

The sum of two numbers  $p$  and  $q$  is 40. The difference between  $p$  and  $q$   is  10.  Find the values of  $p$  and  $q.$  
[Write your answer like this: p=__,q=__ without any space] 

(a)  

Solve  $2q+6\left(q-1\right)=18$  

(a)  

A number is multiplied by 3 and the product is divided by 2. The result is 15. Find the number.

(a)  

Chloe is 3 years older than Susan. The sum of their ages is 12 years more than Susan's age. How old is Chloe?

(a)  

Janet bought 20 stamps consisting of 20 sen stamps and 60 sen stamps. The total cost of the stamps is RM8.80. How many 20 sen stamps did Janet buy?

(a)  

Write an algebraic inequality:  

The daily income,  $w$  ringgit, of a hawker is more than RM200. 

(a)  

State the smallest value of  $m$  that satisfy the linear inequality  $2m-5>9$  

(a)