Answer:
9
Step-by-step explanation:
Value of 'a' = 15
Value of 'b' = 6
Simplifying the expression given in question,



Putting 'a' & 'b' in above expression ,

Answer:
2
Step-by-step explanation:
2+2^2 = 6
Answer:
600/mph
Step-by-step explanation:
Answer:
17
Step-by-step explanation:
2x - 7 = 27
2x = 34
x = 17
Answer: It is the first one.
Step-by-step explanation: Give brainliest