Stephen has discovered a blow-out sale at the music store in the mall. The cost of 3 sets of guitar strings, 2 guitars, and 2 amps is $472. The cost of 2 sets of guitar strings and 1 guitar is $322. The cost
of 4 sets of strings and 1 amp is $295. If x represents sets of guitar strings, y represents guitars, and z
represents amps, write a systems of equations can be used to determine the sale price of the sets of
strings, the guitars, and the amps?

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

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

Question 4 of 102 pointsjuliana had $96, which is eight times as much money as al had. how mucmoney did al have? select the correct solution method below, representingals money with x.