Three consecutive even integers have a sum of 42. find the integers

What is f(3) for the quadratic function f(x)= 2x^2+ + x - 12

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.

Find the length of cu, the triangles are similar.