What is the value of 1+(-7)-(-2.5)?

Avegetable garden and a surrounding path are shaped like a square together are 12 ft wide. the path is 1 feet wide. if one bag of gravel covers 8 square feet, how manu bags are needed to cover the path? round your answers to the nearest tenth.

What is the upper quartile in the box plot?

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0