Page 334 - Algebra 1

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PersonalFinance Ricardobabysitshisbrotherfor$5perhour.Hewantstoearn enough money to buy a new game console that costs $280. If he has already saved $135, write an inequality that represents the least number of hours of babysitting he needs to do to be able to buy the game console.
Multiple Choice 49 changes to 45. Find the percent of increase or decrease. A 4% B 8% C 2% D 6%
Write Kwami’s video game collection increased from 6 video games to 9 video games. Lisa’s CD collection increased from 20 CDs to 28 CDs. Compare the amount of increase and the percents of increase of both collections.
Troy recorded the number of minutes 11 people spent jogging: 25, 26, 18, 28, 20, 15, 27, 70, 32, 15, 21. Find the mean, median, and mode for the data.
Two students looked at the following data that show the number of hospitals in each state. Find the range of the data.
108, 19, 62, 87, 361, 70, 35, 6, 203, 146, 24, 39, 191, 113, 115, 134, 105, 131, 37, 50, 78, 144, 132, 93, 119, 54, 85, 30, 28, 80, 37, 206, 115, 40, 166, 109, 58, 197, 11, 62, 51, 127, 418, 43, 14, 88, 85, 57, 121, 24
Write Doyle wrote the linear equation of a graphed line for a homework problem. Explain how a table of values for the graph of a linear equation can be used to verify his answer.
Geometry Writeanequationinslope-interceptformthatshowsthe relationship between the perimeter of a square (y) and the length (x) of a side. Graph the equation and find the coordinates of 3 points on the line.
Hobbies JeanClaudeismakingpaintedcandlestosellatalocalcraft market. He purchased $185 in materials and sells each candle for $7.50. a. Write a linear equation in slope-intercept form that can be used to
calculate his profit (y) based on the number of candles sold (x). b. Use a graphing calcuator to graph the equation.
c. How many candles must Jean Claude sell to make a profit?
Chemistry Thefreezingtemperatureofwateratnormal atmospheric conditions is 32°F. Write and graph an inequality to model the temperatures at which water freezes.
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