3 Jessica is a custodian at Oracle Arena. She waxes 20 m² of the floor in of an hour. Jessica waxes the floor at a
constant rate.
At this rate, how many square meters can she wax per hour?
m?

Why can't my rank go i have 1723 points, but my rank is only at ambitious, which is only 250 points! like, (p.s. i know this isn't related to math, but i just don't know why it's doing this and i would really appreciate if someone could tell me whats going on with this)

Mahnoor randomly selects times to walk into a local restaurant and observe the type of music being played she found that the restaurant was playing country 11 times rock & roll 17 times and blues 8 times use the observed frequencies to create a probability model for the type of music the restaurant is playing the next time mahnoor walks in.

For which rational expression is -2 an excluded value of x