Which statement is false?
a. no integers are irrational numbers
b. all whole numbers are integers
c. no real numbers are irrational numbers
d. all integers greater than zero are whole numbers
me with this

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

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

Randy and trey take turns cleaning offices on the weekends. it takes randy at most 4 hours to clean the offices. it takes trey at most 6 hours to clean the offices. what is the greatest amount of time it would take them to clean the offices together? 2.4 hours 2.5 hours