Arectangular container is 12cm long, 11cm wide and 10cm high. the container is filled with water to a depth of 8cm. a metal sphere of radius 3.5 cm is placed in the water and sinks to the bottom. calculate the rise in water level, giving your answer in 3 significant figures.

can you show workings out? many

Aswimming pool has an input pump for filling the pool and an output pump for emptying the pool. the input pump can fill the pool in 3 hours, and the output pump can drain the pool in 5 hours. as you go to bed, the pool is full, but a neighbor’s kid turns on the output pump. at midnight, you awake to find the pool half empty. immediately, you turn on the input pump, but you are sleepy and forget to turn off the output pump. at what time will the pool become full?

Astore has apples on sale for three dollars or 2 pounds how many pounds of apples can you buy for nine dollars if an apple is approximately 5 ounces how many apples can you buy for nine dollars

Aline passes through 3,7 and 6,9 what equation represents the line