Fiona wants to estimate the product (8.7)(3.0). Which expression shows each factor rounded to the nearest whole number? (9)(4) (9)(3) (8)(3) (8)(4)

The mean of 10 values is 19. if further 5 values areincluded the mean becomes 20. what is the meanthese five additional values? a) 10b) 15c) 11d) 22

I'm a polygon i have no parallel lines i am formed 3 line segments i have one right angle two of my angles are angles what am i

What is the area of the shaded sector?