b) alese itimal ar igual

Una piscina rectangular de 15 m de largo por 9 m de ancho está rodeada por un camino de cemento de ancho uniforme. Si el ârea del camino es \( 81 \mathrm{~m}^{2} \). ¿cuánto mide su ancho?.

2. Phindi is an athlete. As part of her training, she runs around the outside of circular track that has a radius of 88 m . a) How far does Phindi have to run to complete one circuit of the track? Give your answer to the nearest metre. b) As part of her training, Phindi needs to run 12 km on the track. How many circuits of the track will she have to run? Give your answer to one decimal place.

Multiply. \( \left(x^{2}+x+3\right)(x-3) \)

f) \( (\quad) \cdot(+3)=45 \)

Calculate the maximum number of the Coca-Cola pallets thar coutd loaded on the second trailer of the truck.