Write the number with the same value as 28 tens

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.

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76