Write the fraction or mixed number as a decimal 4/10

The graph shown is the graph of which function?

which of the following sets of data would produce the largest value for an independent-measures t statistic? the two sample means are 10 and 20 with variances of 20 and 25 the two sample means are 10 and 20 with variances of 120 and 125 the two sample means are 10 and 12 with sample variances of 20 and 25 the two sample means are 10 and 12 with variances of 120 and 125

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.