A manager bought lunch for his coworkers. Each person picked either a salad or a burger. The salads cost $5 each and the burgers cost $8 each. If the manager spent $102 and bought lunch for 18 people, how many of each item did he buy?

The data in the table represent the height of an object over time. which model best represents the data? height of an object time (seconds) height (feet) 05 1 50 2 70 3 48 quadratic, because the height of the object increases or decreases with a multiplicative rate of change quadratic, because the height increases and then decreases exponential, because the height of the object increases or decreases with a multiplicative rate of change exponential, because the height increases and then decreases

Diane owes $387 to her brother. if she debits her bank account $161.25 a month to pay him back, how many months will it take her to pay off the debt?

How do you use the elimination method for this question? explain, because i really want to understand!