The base of a pyrimid has n sides. work out the expression for the number of faces on the pyramid

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

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a

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?