Seven year old Sarah has 9 crayons; 3 blue, 1 red, 2 green and 3 yellow. a) In how many ways can she line up the crayons on her desk?

b) She is to pick up some of the crayons. How many different choices of some
crayons could she make?

c) How many choices are there if at least one green crayon should be included?

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.

Which segments are congruent? o jn and ln o jn and nm o in and nk onk and nm

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)