Which symbol replaces the ? in the following statement 415 ? 691

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

These box plots show the number of electoral votes one by democratic and republican presidential candidates for the elections from 1984 through 2012. which statement best compares the spread of the data sets

Jared had 3/7 of the minutes on a family phone plan remaining for the month. the plan is shared by 2 people. if divided equally what portion of the minutes remaining on the phone plan would be avalible for each person