The distance between the starting point and the finishing line of the Boston Marathon is 4 inches on an interactive course map. If a scale factor of 1 inch = 6.55 miles is used to design the map, calculate the actual distance between the start and end points of the marathon.

Imagine a new pasture with grass growing on it. every day after the seeds have germinated, the number of blades of grass in the pasture triples. after 18 days, the entire pasture is completely covered in grass. how many days did it take for the pasture to be one-third covered in grass?

When only separate discreet points are graphed it is called?

Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out