MATH 123-42C math test 2 review 2022.

MATH 123-42C math test 2 review 2022. This table lists the Median income for a county. Median Income County Name Gibson County $51,517 $46,570 Find the Absolute Change in the Median Income for Gibson County from 2001 to 2011. Write your answer as a whole number of dollars, do not include units on your -4947 answer. Find the Relative Change in the Median Income for Gibson County from 2001 to -9.6 2011. Write your answer as a percent, rounded to the nearest tenth. Answer 1: -4947 Correct Answer -4,947 Answer 2: -9.6 Correct Answer -9.6% Question 2 5 / 5 pts In 2015, an estimated 7,620,000 travel books and 4,660,000 humor books were sold. 2,960,000 Compare the number of humor books to travel books using absolute change. Write your answer only as a positive or negative number (no units). Compare the number of humor books to travel books using relative change. Write your answer as a percentage rounded to the nearest tenth. Answer 1: -2,960,000 Correct Answer - Answer 2: -38.8 Correct Answer -38.8% Question 3 5 / 5 pts You are charged $9.14 in total for a meal. Assuming that the local sales tax is 7.8%, what was the menu price of this item? Express your answer rounded correctly to the nearest cent. Do not include units with your answer. 8.47 Correct Answer 8.48 margin of error +/- 2% Question 4 5 / 5 pts A company hopes to expand their business by 7% in the coming year. If they currently employ 57 people, how many people will the company employ after the expansion? Round your answer to the nearest whole person. Do not include units with your answer. 61 Correct Answer 61 Question 5 5 / 5 pts A new department store opened in January 2016. A graph of the income in the first several months is included below: Considering the graph above, could we use this linear model to predict income of January 2025? Complete the sentence below by selecting the best of the available phrases. ["", ""] because ["", "", ""] Answer 1: No Answer 2: we have one year of data and 2025 is 9 years beyond the scope of the model. Question 6 5 / 5 pts At 12pm, the temperature was 57 o F. By 5pm, the thermometer read 36 o F. Assuming a constant change in temperature, calculate and interpret the unit rate of change (slope). From 12pm to 5pm, the temperature ["", "", ""] an average of ["", "", "", ""] ["", "", "", ""] per ["", "", "", ""] . Answer 1: decreased Answer 2: 4.2 Answer 3: degrees F Answer 4: hour Question 7 5 / 5 pts Ivy Tech tuition was $1986 in 2000 and $3090 in 2010. Calculate the slope, then complete the linear model that would predict the tuition for any year after 2000: y = ["", "", "", ""] x ["", "", "", ""] 1986 Answer 1: 110.4 Answer 2: + Answer 3: 1986