Select the equivalent phrase for the algebraic expression below 6 + 3m + 14 + 3m

The first hexagon is dilated to form the second hexagon select the answers from the drop box menus to correctly complete the statement

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.  

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?