In the diagram, how many angles must be supplementary with angle 14?
one
two
four
eight

Amber had 1/6 of a pie left after the bake sale. rihanna had 3/8 of a pie left. what fraction of a pie did they have altogether?

Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.

Alex measured the length of an item to be 3.7 cm. the actual length is 3.5 cm. what is alex’s percent error?