When rotated through 90° about the origin in a clockwise direction, the image of the point (3, 1) is

Dividing 9 × 10^-2 by 3 × 10^-8 gives:

All of the following processes result in energy loss from an ecosystem EXCEPT for:

The expression (3x - 2)(x + 1) =

If U = {1, 2, 3, . . . 10 } and S = { 2, 4, 6, 8, 10 }, then S ' =

The water authority charges $20.00 per month for the meter rent, $2.00 for the first 1 000 litres and $0.20 for each additional 100 litres. What is the total bill for 2400 litres used in one month?

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

She paid meticulous attention to her work as she attached the beads to the costume.

A salt that is anhydrous contains no:

Which of one the following statements about phloem cells is NOT true?

Acid soils can be neutralised by adding:

A detector close to a sample of radioactive material records 76 counts per second (cps). Precisely 2 days later the count rate has fallen to 22 cps.The count rate due to background radiation, taken immediately before and after the experiment, averaged 4 cps. The half-life of the material is:

Water is lost from the body in:

The decimal equivalent of ³/₈ is

Which of the following are natural barriers to infection?
Ⅰ tears
Ⅱ skin
Ⅲ stomach acid
Ⅳ mucus

The expression a² + b² is equivalent to

g/dm³ are units of:

If U = {1, 2, 3, . . . 10 } and S = { 4, 5, 6, 7, 8 }, then S ' =

Measuring plant growth by measuring height is convenient, but inaccurate because:

Which one of the following best describes hormones?

Automated directory assistance services utilize __________ technology for accepting user input.