What is the range of the numbers 2.35 , 2.3 , 2.45 , 2.29 , 2.47 ?

What is the value of the expression below? (81^2)^1/8

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

Which best describes the function on the graph? direct variation; k = −2 direct variation; k = -1/2 inverse variation; k = −2 inverse variation; k = -1/2