👉🏼Calculate the distance between the points with coordinates (2,-3) and (5,10), giving your answer correct to 1 decimal place.
👈🏼Find x in the following diagram:
👆🏼y is directly proportional to x squared.
When y = 16, x = 2.
Find the value of x when y = 28x – 49.
🖐🏼A bag contains 10 sweets. Of those, 5 are red, 3 are yellow and 2 are green. Two sweets are taken from the bag without replacement. Calculate the probability that the two sweets are different colours.