If y=5 Evaluate the expression 3y by substituting the value for the variable

Find the area of an equilateral triangle with a side of 6 inches

Iwill give brainliest. suppose tommy walks from his home at (0, 0) to the mall at (0, 5), and then walks to a movie theater at (6, 5). after leaving the theater tommy walks to the store at (6, 0) before returning home. if each grid square represents one block, how many blocks does he walk?

Rounded to the nearest tenth, what is the value of x