A dog is tied to a skate in the backyard with a 50 foot leash so it can run around. As time goes on, the dog wears a circular path in the grass. If you were to replace the leash with a circular fence, how many feet of fencing would you need to enclose the circular area?

The system of equations graphed below has how many solutions? y = 2x + 2

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?

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?