Can you find the area of C and F? thank you in advance!
(the screenshots are the shapes and the fill in the blanks)

News cameras take an overhead picture of a crowd at an outdoor event journalist then count the total number of people in the picture and use the sample of estimate the total number of people in the crowd this process is an example of

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

Write the expression 7x^3-28xy^2 as the product of 3 factors