The diagram shows rectangle ABDE and right-angled triangle ABC.
AC = 37 cm
BC = 12 cm
BC: CD = 1:2
Work out the area of rectangle ABDE.

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

Aremote-controlled boat can travel at 4 feet per second in calm water. the boat traveled 48 feet with the current, and then it traveled 16 feet against the current in the same amount of time. how fast is the current?