Use the information given to answer the question. A construction company buys various materials for building projects. The table shows the costs for various pounds of the materials. Material Weight Cost concrete 80 pounds $4.80 steel 160 pounds $120.00 wood 12 pounds $3.48 The company’s Chief Financial Officer plots material costs on a graph, where the x-axis represents the number of pounds of material bought, and the y-axis represents the total cost of the purchase, in dollars. Given that the cost per pound is proportional, complete the table to indicate which ordered pairs could represent material purchases of concrete, steel, and/or wood.

At river bank, checking account customers earn 0.75% interest a month on their account balances, pay no service fees for writing checks, and pay a monthly $2.00 financial charge. calculate the income earned in one month on the checking account for a customer with an account balance of $1,000. a. $4.25 b. $5.50 c. $6.75 d. $7.25 checking account earnings at baker’s bank are expressed by the equation: i = -0.09x + 10.2. while the earnings at elite bank are modeled by: i = -0.02x + 7.5. in both cases, x is the number of checks written. at what number of checks will elite bank start generating more checking account income than baker's bank? a. 12 b. 25 c. 39 d. 42 emilio’s checking account had a balance of 728.32 at the beginning of the week. he wrote checks for the following amounts throughout the week: $99.48, $33.50, $18.23, and $72.05. he also deposited his paycheck in the amount of $1,109.90. what is his account balance at the end of the week? a. $1,192.35 b. $1,222.86 c. $1,540.52 d. $1,614.96