Could you give me a good vehicle to do a assignment on? :)

Find the total area for the regular pyramid ( follow the answer set up in the picture)

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

What is true about the dilation? it is a reduction with a scale factor between 0 and 1. it is a reduction with a scale factor greater than 1. it is an enlargement with a scale factor between 0 and 1. it is an enlargement with a scale factor greater than 1.