Answer:
cos 23 = x/7.8
Step-by-step explanation:
Answer:
50°
Step-by-step explanation:
90°-40°=50°
The square on the angle means 90°.
Hope this helps! :D
Answer:
not existing
Step-by-step explanation:

lim x goes to 0 is

so not exist
I'm not sure if u mean that or this
It would be 8xy
Because you would multiply the 2 numbers together
Answer:
is this algebra 1
Step-by-step explanation: