Sally is going furniture shopping using her credit card if her credit card has a limit of 2,000 and she is currently holding a balance of 763 how much can she afford to spend

She can spend a maximum of $2763.

Step-by-step explanation:

The credit card works as there can be a negative balance in the card. For example if Sally has a shortage of money and she is in need of some, she can take money from her credit card and then repay it later.

Here Sally already has $763 in her hand and her credit card can have a balance of maximum $2000.

So Sally can spend $763 which she already has in her hand and then spend a maximum of $2000 using her credit card.

So she can spend a maximum of $2673

answer: a video game has three difficulty levels: easy, medium, and expert. the game's scoring works in such a way that a player has to score a fixed number of points to advance to the next level, and then the scoring starts over. the total score needed to clear all three difficulty levels is 7,500. two times the number of points needed to clear the easy level is 500 more than the number of points needed to clear the medium level. twice the number of points needed to clear the medium difficulty level is 1,500 more than the number of points needed to clear the expert level. if x, y, and z represent the easy, medium, and expert levels, respectively, and a is the coefficient matrix of the system of equations modeling this situation, identify the inverse matrix, a-1, and the solution matrix, x, of the system of equations.

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step-by-step explanation: