last week drew worked 7.9 hours. this week he worked 8.6 hours. how many more hours did he work this week than last week?

What is the solution of sqrt x+2-15=-3

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 me do math because i am having a breakdown rn because i don’t get it