When a decimal is written in word form, what indicates that the equivalent form is a mixed number and not a fraction?

What are the values of m∠abc, m∠cbf, m∠abd and m∠dbe in the given figure? explain or show your work?

The angles below are supplementary. what is the value of x? a pair of supplementary angles is shown. one angle measures 7x + 33, and the other angle measures 70. 5.3 8.14 11 14.7

Plz ( true - false) all triangles have interior angles whose measure sum to 90.