A city worker descends 3 meters under ground level to fix a pipe. She then descends 4 more meters under ground to fix a second pipe. What is her position in relation to ground level? Which statements are true about this problem?

There is more than one correct answer. Select all that apply.

One of the addends is −3.
One of the addends is 4.
The worker is −7 meters from ground level.
At the end of the problem, the worker is above ground level.
Solve the problem 4+3 to find the relationship to ground level.

Solve the problem by using a venn diagram a group of students were surveyed about their taste in music. they were asked how they like three types of music: rock, country western and jazz. the results are summarized below: no one dislikes all three types of music. six like all three types of music. eleven don’t like country western. sixteen like jazz. three like country western and jazz, but not rock. six don’t like rock. eight like rock and country western. seven don’t like jazz. how many students were surveyed?