Can someone help me plzz Question no.1,2,3,4,&5​

Your company will replace the asphalt roofs on all the buildings at the factory complex shown below. the buildings have flat roofs. you charge according to the total roof area. what is this area, in square yards?

Six random samples were taken each year for three years. the table shows the inferred population for each type of fish for each year.

Find a conversion factor between square centimeters and square meters. write it in three forms. square centimeters = 1 square meter