One side of a regular pentagon measures 0.8 meters. what is the perimeter of the regular pentagon

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)

Alcoa was $10.02 a share yesterday. today it is at $9.75 a share. if you own 50 shares, did ou have capital gain or loss ? how much of a gain or loss did you have ? express the capital gain/loss as a percent of the original price