Please help me! ive been stuck on this for an hour and cant figure it out :(

Which expression is the factorization of x^2+10+21

On ryan's last social studies test there were two types of questions true/false worth 3 points each and multiple choice questions worth 4 points each

The graph below shows the line of best fit for data collected on the number of cell phones in cell phone cases sold at the local electronic store on four different days