You have $39 to spend at the music store. each cassette tape costs $5 and each cd costs $11. write a linear inequality that represents this situation. let represent the number of tapes and the number of cds.

Write the fraction or mixed number and the decimal shown by the model

Titus works at a hotel. part of his job is to keep the complimentary pitcher of water at least half full and always with ice. when he starts his shift, the water level shows 4 gallons, or 128 cups of water. as the shift progresses, he records the level of the water every 10 minutes. after 2 hours, he uses a regression calculator to compute an equation for the decrease in water. his equation is w –0.414t + 129.549, where t is the number of minutes and w is the level of water. according to the equation, after about how many minutes would the water level be less than or equal to 64 cups?

How can you check that you have correctly converted frequencies to relative frequencies?