(11x+9)+(5x-9) pls solve this for me I have no clue and i need this fast

16x+0

Step-by-step explanation:

Collect like terms

11x+5x+9-9

Then add and subtract them

16x+0

answer

a,b, and d

explanation

a reflection angle is more than

but less than;

an angle that measures

is a reflex angle.(true)

an angle that measures less than

is acute.(true)

provided we are considering angles greater or equal to zero.

an acute angle lies in the range.

an obtuse angle is less than 180° but more than 90°

an angle that measures 300° is obtuse (false)

an angle that measures 65° is an acute angle.(true)