Which expression has the same value as -3/2 - (2-3/8)+ 3/2?

What is true about the dilation? it is a reduction with a scale factor between 0 and 1. it is a reduction with a scale factor greater than 1. it is an enlargement with a scale factor between 0 and 1. it is an enlargement with a scale factor greater than 1.

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41

For a function f(x), a) if f(7) = 22 then f^-1(22) = b) f^-1(f(c)) =