Fiona has $18 to spend. she spent $4.25, including tax, to buy a notebook. she needs to save $9.75, but she wants to buy a snack. if crackers cost $0.50 per package including tax, what inequality would show the maximum number of packages that fiona can buy? solve your inequality by showing your work and steps.

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

What are “like terms”? why can we only add like terms?

Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?