What will be the value of the following expression:

75ax /15bx 

given that a, b, and x are variables.

Simplify 1/[(1/√2)+(1/√3)] and choose the answer from the options given below.

What will be the result after solving the expression: (ax + b + cy)(2a + 3b + c)

What is the reciprocal of 2 / 4?

Find the value of the following expressions respectively: - 7 × 57, - 392 × - 3

Which is the compact form of the equation: a2b3c4d1d4b3c2ac6b3a2d

Evaluate the expression: 3a - 4b + 6c + a - 2b - 2a + 3b - 4c + a + 2c

Ron bought 4 books B1, B2, B3 and B4 for $450. The price of two books, B1 and B3 is the same. The price of B2 is twice the price of B1. Find the price of book B4 if the price of Book B1 is $75.

Evaluate the following expression and choose the correct answer from the options given below: ( 4× 5 ) / 8 + 2 - ( 3 / 4 )

What will be the value of the expression 2a5×3a2 for a=2?

Find the correct set of answers for the following expressions: I) a + ( b × 4 ) II) a× ( b + 3 ) III) ( a× b)+ 3 given that a = 14 and b = 23.