The perimeter of a circle is4πrcm. what is the area of a circle

Which statements about these triangles is true

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?

Find the rate at which the water is now flowing from the tap give your answer cubic centimetres per second