(a) possible number of colours. (b) . Write down a proper colouring of the graph below that uses the smallest : V2 V1 ☆ V6 V4 V5 number of colours. V3 Explain why your solution to part (a) really does use the smallest possible

Alex uses the length of his hand to measure the size of his desk. He finds the top of his desk to be about "2.5 hands by 9 hands" in size. Bianca uses her hand and finds the same desk to measure about "4 hands by 14.4 hands" in size. Alex's hand is how many times as long as Bianca's hand?  times as long    What is the measure of Alex's hand using Bianca's hand as the "unit ruler"?     Bianca's hand is how many times as long as Alex's hand?  times as long    What is the measure of Bianca's hand using Alex's hand as the "unit ruler"?

A fisher caught 3 fish with an average length of 12 inches. After catching a new fish, the average length becomes 16 inches. How big was the new fish in inches?

the wooded area makes a right triangle in relation to the pond. One side of the woods is 19 feet long and the other side is 7 feet long. Find the distance across the pond. Answer as a decimal rounded to the nearest hundredth.