The contrapositive of the following statement is true: “if two angles are both right, then they are congruent.” true or false? i think false

Use sigma notation to represent the following series for 9 terms.

City l has a temperature of −3 °f. city m has a temperature of −7 °f. use the number line shown to answer the questions: number line from negative 8 to positive 8 in increments of 1 is shown. part a: write an inequality to compare the temperatures of the two cities. (3 points) part b: explain what the inequality means in relation to the positions of these numbers on the number line. (4 points) part c: use the number line to explain which city is warmer. (3 points)

The circle below is centered at the point (3, 1) and has a radius of length 2. what is the equation?