What's the surface area rounded to the hundredth place

Miguel’s teacher asks him to color 4/8 of his grid. he must use 3 colors: red, blue, and green. there must be more green sections than red sections. how can miguel color all the sections of his grid to follow all the rules

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?