Given that the pictured triangles are similar, find the lengths sides DF. Round your answers to the nearest tenth.
AC
AB
F
EF
BC
B
AB = 12
AC = 16
BC = 16
EF = 7

Which of the following questions is a statistical question? (2 points) how many professional sport leagues are there? where do the professional sport leagues play? how many hours of professional training took place over the weekend? how many hours do you spend each week training for a sports league?

Use the discriminant to describe the roots of each equation. then select the best description. 2m2 + 3 = m double root real and rational roots real and irrational roots non-real roots

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps