Given sin(t)= 7/25
for (pi)/2 < t < (pi), what is cos(t)?

(40 points) i need some . an answer definition is appreciated as well.

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much