Answer:45
Step-by-step explanation:
Sin^-1= 5÷7
Answer: c. x=-1 and x=7
are straight line angles.
Given that a = 2, b = 3, and c = 4.
To evaluate ab+c, we will plug given values as shown below
ab+c
=2*3+4
=6+4
=10
Hence final answer is 10.