What is the absolute value of negative one and one- thrid

Three times the difference of federico’s age, and 4, increased by 7, is greater than 37. what are possible values of federico’s age?

The length of triangle base is 26. a line, which is parallel to the base divides the triangle into two equal area parts. find the length of the segment between triangle legs.

Which function has an inverse function? a.f(x)= |x+3|/5 b. f(x)= x^5-3 c. f(x)= x^4/7+27 d. f(x)= 1/x²