Plz fast answer due today for a benchmark do you know went to market to purchase squash the prices of squash are shown in the table below if Regina spent less than $25 which combinations cause she had purchased check all that are true

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

14. (05.02 lc) what is the value of y in the solution to the following system of equations? (5 points) 2x + y = −4 5x + 3y = −6

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?