What is the fraction representing the total number of natural numbers in the collection { 0, 1, 2, 3, -1, -2, -3}

An equation where variables are used to represent known values—function notation true or false

Write the following as a base and exponent

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