Answer:
11
Step-by-step explanation:
9+9+11+15 is 44 44/4 is 11
Answer:
a = 33 degrees
Step-by-step explanation:
Note that 57 degrees and Angle a are complementary: they add up to 90 degrees.
Thus, a = 90 degrees less 57 degrees = 33 degrees
A is the answer for your question
Use Bidmas, solve all the inner brackets (), with first division, then multiplication then addition then subtraction
Answer:
Step-by-step explanation: