Answer:do it yo self
Step-by-step explanation: get yo daam calculator and do it
Only numbers possible would be five and zero
Answer:
93
Step-by-step explanation:
78+9+(10-4)=
78+9+6=
93
Let the ladder length be L, then
sin 70 = 20/L, L = 20/sin70 = 21.3 feet
the length of ladder is 21.3 feet

get their LCD, like you'd with any other fractions, and add them up