Which of the following expressions are equivalent to -\dfrac{2}{-13}− −13
2
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minus, start fraction, 2, divided by, minus, 13, end fraction?

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?

Two numbers have a sum of -19. one number is x. what expression represents the other number?