Answer:

Step-by-step explanation:

Remove parenthesis

Multiply 

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:
F
Step-by-step explanation:
the square root of 51 = 7.141
7 square root 2 = 9.899
7 = 7
8 = 8
Answer:
-4 x -4 = -16
4 x 4 = 16
^2 or to the power of 2 basely means 4 times itself, because 2.