ABC is a straight line. А
B
The length of AB is four times the length of BC.
AC = 75 cm.
Work out the length of AB.

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

The sum of 5consecutive even numbers is 100. what is the first number in this sequence?

The average length of a king cobra is 3.7 m. the record length is 1.88 m longer than the average. how long is the record holder?