Please help.fast

How many verticies does a triangular prims have

Siri can type 90 words in 40 minutes about how many words would you expect her to type in 10 minutes at this rate

A)a square brown tarp has a square green patch green in the corner the side length of the tarp is (x + 8) and the side length of the patch is x what is the area of the brown part of the tarpb)a square red placemat has a gold square in the corner the side length of the gold square is (x - 2) inches with the width of the red region is 4 in what is the area of the red part of the placemat