Five sandwiches and four drinks cost £20. Two sandwiches and five drinks cost £8. Find the cost of one sandwich.

Use the radius you found in part i (r=26.8 cm) with the surface area formula below to find the surface area of the sphere. show your work and round your answer to the nearest tenth. the surface area of a sphere: sa = 4πr^2 self note: 3.8.4

Find the distance between (7,-6) and (-3,-9)

Asequence of transformations maps aabc to aa'bc. the sequence of transformations that maps abc to aa'b'c' is a reflection across the followed by a translation