B) Darren bought 20 stamps. n of these were 20p stamps. The rest were 30p stamps. He spent £5.20 altogether.
How many 20p stamps did he buy?

What is the measure of angle z in this figure? enter your answer in the box. z = ° two intersection lines. all four angles formed by the intersecting lines are labeled. clockwise, the angles are labeled 43 degrees, x degrees, y degrees, and z degrees.

On a cm grid, point p has coordinates (3,-1) and point q has coordinates (-5,6) calculate the shortest distance between p and q give your answer to 1 decimal place

Answer! if you don’t mind, can you explain