If you were to add 12.52, 349.0 and 8.24, how many significant digits should the answer have? a.. three. c.. five. b.. four. d.. six

Find the value of x. round the length to the nearest tenth

A. what does the point (4, 122) represent? b. what is the unit rate? c. what is the cost of buying 10 tickets?

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap