Evaluate
-4 -3
= - 7
Simplify
x +3y+2x-2y
3x+y
Write the following as an improper fraction
1 3/7
10/7
Round 1.4567 to 2 decimal places
1.46
Convert 0.16 to a percentage
16%
Evaluate
-6-(-4)
-2
Simplify
a times a times a times a
a^4
Simplify
24/32
3/4
Evaluate 1.49 + 2.207
3.697
Convert to a percentage
5/20
25%
Evaluate
-36 divide -6 times 2 divide 6
2
Simplify
-6a times -3b
18ab
Evaluate
1/3 +2/5
11/15
Evaluate 5.4 - 2.823
2.577
Conver to a percentage
3/8
37.5%

$12
Simplify
24x^2y^3z divide 30xy^4z
4x/4y
Evaluate
5 divide 1/3
15
Evaluate
2.136 divide 0.08
26.7
6% of $750
$45
Mt Etna is an active volcano in Italy 2200m high. The lava starts 852m below the earth surface and shoots to a height 550m above the top of Mt Edna. How far does the lava travel?
3602m
Write a simplified expression for the perimeter of the triangle.

8a+ 4
Evaluate
4/9 of 27
12
Evaluate

0.10791
Jerome got 60 out of 75 marks on a recent maths test. Express his test result as a percentage.
80%