50 cm3 and it has a mass of 680g. What is the density of
mercury?

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?

What is the order of these fractions from least to greatest 2/3 7/10 5/8 65/100

Point j (-4,-6) and point k (4,4) are located on a coordinate grid. which measurement is closest to the distance between point j and point k in units