Answer:
q=7.7
Step-by-step explanation: This is trigonometry and you would use cosine since you have H (29) as your known and A (q) as your unknown. You would do cos(39)29=7.7
This expression is a difference of squares:

Answer:
X equals to -11
Step-by-step explanation:
Answer:

Step-by-step explanation:

3x2x2=12
5x7x3=105

Answer:
5/12
Step-by-step explanation: