If angle a measured 55 degrees ,how much does angle b?

b = 35°

Step-by-step explanation:

a ; b = complementary =>

=> a + b = 90°  } => b = 90° - 55° = 35°

    a = 55°

x=half

step-by-step explanation:

the domain of a function is the set of input values, x , for which a function is defined. the domain is shown in the left oval in the picture below. the function provides an output value, f(x) , for each member of the domain.