An equilateral triangle has a perimeter of 8x+6. what is the length of each side of the triangle?

Which part of a 2-column proof is the hypothesis of the conjecture? a) given b) reasons c) prove d) statements ! i think it's b but i'm not quite

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

Write the percent as a fraction or mixed number in simplest form. 0.8%