Hemu went shopping with his mother. His mother bought a shirt piece. She purchased 2 metres of cloth at the cost of Rs. 78 . His mother asked Henu to find the cost of cloth per met er. How would you help Hemu to find his answer?​

Can someone answer these problems for me

Carly stated, “all pairs of rectangles are dilations.” which pair of rectangles would prove that carly’s statement is incorrect?

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?