Aset of n = 15 pairs of scores (x and y values) has ssx = 4, ssy = 25, and sp = 6. what is the pearson correlation for these data

In priyas math class there are 10 boys and 15 girls. what is the ratio of boys to girls in priyas math class? express your answer as a decimal

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

Whats are the trickiest steps to do when adding or subtracting rational expressions? how does knowledge of rational numbers u in adding and subtracting rational expressions?