Umm. Is this high school?.
4 friends x 2 ballons = 8 friends only ballons.
8 + 1 = 9.
9 total
Answer:
Please see attached
Step-by-step explanation:
Equivalent expressions are expressions of equal values
The simplified expression of (3 - 4i) + (7 - 6i) is 
The expression is given as:

Remove brackets in the above expression

Rewrite the expression by collecting the like terms

Next, evaluate the like terms

Hence, the simplified expression of (3 - 4i) + (7 - 6i) is 
Read more about equivalent expressions at:
brainly.com/question/2972832
Answer:
1
Step-by-step explanation:
Since tan(x) = sin(x)/cos(x), if sin(x) = cos(x) then tan(x) must be 1.
You can even reason that the acute angle is 45° and sin(x)=cos(x) =
.