Solve the equation and check your answer. 3-5b+2b=-2-2 (1-b)

Evaluate lim x→0 e x - x - 1 cos x - 1. 2. A warehouse selling cement has to decide how often and in what quantities to reorder. It is cheaper, on average, to place large orders, because this reduces the ordering cost per unit.

There are 8 children standing. There are 3 fewer children standing than sitting. How many children are sitting?

Tan (-3pi/2) what is the value

The price of an item has dropped to $42 today. Yesterday it was $105 . Find the percentage decrease

Tricia had 4 and 1/8 yards of fabric to make curtains. When she finished she had 2 and 3/8 yards of fabric left. She said she used 2 and 2/8 yards of fabric. Do you agree

4 percent of x days is 56

What is 100/298 written in its simplest form

Ying eats some yoghurt. The yoghurt contains 192 mg of calcium. This is 16% of the total amount of calcium that Ying should have each day. Work out the total amount of calcium that Ying should have each day, showing your working out (3 marks).

Circle O has a circumference of 88cm

How do you represent a real world problem involving ratios or rates