A machine costs $10,000. It has an expected life of six years and has a residual value Of $400. Using the straight-line method, what is the depreciation per annum?

The white blood cells that produce antibodies are called:

The main parts of the human circulatory system are:

All of these are compounds EXCEPT for:

To make car bodies we use:

When solid carbon dioxide turns straight into a gas we call it:

The type of polymerisation used to make polythene is called:

Water passes out of leaves through the:

A collection of several tissues which carry out a particular function is called:

In the Venn diagram above, the shaded portion represents

Seeds are dispersed from the parent plant:

Instructions: Choose from the four suggested answers the word which is closest to OPPOSITE in meaning to the underlined word.

We found her appreciative of the help that we had given to her on this matter.

The diagram above shows the graphs of 3x - y = 1 and 5x + 2y = 20 . Which ordered pair (x, y) satisfies both equations?

The graph shows the results of an experiment to investigate
the relationship between the voltage placed across a light bulb
and the current which then flows through it.Which one of the
following statements is NOT true?

The energy used in thermal decomposition is:

The table shows the distribution of the ages of 25 students.

What is the probability that a student chosen at random is AT LEAST 13 years old?

A balanced diet is one which:

To electrolyse solid lead bromide it must first be heated so that:

The nucleus of a carbon atom has six protons and eight neutrons.Which one of the following describes it?

A student observed a plant cell through a microscope and made an accurate drawing of the cell. If her drawing was 80 mm in diameter and had a magnification of ×2000, what was the real diameter of the cell?