Juliana is trying to solve the problem below. the value of a used car is decreasing by $40 per month. how many months will it take for the value to decrease from $5500 to $4300? juliana solved the equation 5500 - 40m = 4300, and her solution was m = 30. which problem-solving step was this?

Δabc is reflected across line l to form δ alblcl, and a¯¯¯al¯¯¯¯ intersects line l at point d. which equation is not necessarily true?

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?

Factor the polynomial expression x6 – x3 – 20